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5990-00-760-7474 (CGH-15-AKS-1/F304)

5990-00-760-7474 is equivalent to manufacture part number AY209SC77T. It is a transmitter synchro and is classified under Federal Supply Class 5990 (5990 - Synchros and Resolvers), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5990 - Synchros and Resolvers and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.

NSN: 5990007607474
ALT NSN: 5990-00-760-7474
NIIN: 00-760-7474
NCB: 00
FSC: 5990
NSIN: 760-7474
MNF PART: AY209SC77T
DESC: SYNCHRO, TRANSMITTER
ALT DESC: TRANSMITTER SYNCHRO
MNF ALT's: AY209SC77T | CGH-15-AKS-1/F304
OTHER ALT's: AY209SC77T | CGH15AKS1F304

SKU CGH-15-AKS-1/F304

5990 - Categorized Part
5990 - Synchros and Resolvers

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Federal Supply Class · 5990 - SYNCHROS AND RESOLVERS
Item Characteristics (36)
CharacteristicRequirement / Reply
BODY STYLESTANDARD ROUND C
SHOULDER DIAMETER1.3115 INCHES MINIMUM AND 1.3125 INCHES MAXIMUM
PILOT DIAMETER0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM
OVERALL LENGTH2.2250 INCHES MINIMUM AND 2.2870 INCHES MAXIMUM
FLANGE DIAMETER1.4360 INCHES MINIMUM AND 1.4380 INCHES MAXIMUM
FLANGE THICKNESS0.0930 INCHES NOMINAL
UNDERCUT DIAMETER1.3120 INCHES NOMINAL
UNDERCUT WIDTH0.0780 INCHES NOMINAL
LENGTH0.1310 INCHES NOMINAL SHOULDER
SHAFT DIAMETER0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM BOTH SHAFTS
SHAFT LENGTH0.2500 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM BOTH SHAFTS
BODY SIZE15
ROTOR INPUT VOLTAGE RATING IN VOLTS26.0 NOMINAL
FREQUENCY IN HERTZ400.0 NOMINAL
ROTOR INPUT CURRENT RATING250.0 MILLIAMPERES MAXIMUM
ROTOR INPUT ELECTRICAL POWER RATING1.4 WATTS MAXIMUM
ZRO IMPEDANCE MAGNITUDE IN OHMS18.00 NOMINAL
ZRO IMPEDANCE ANGLE IN DEG112.00 NOMINAL
ZSS IMPEDANCE MAGNITUDE IN OHMS4.70 NOMINAL
ZSS IMPEDANCE ANGLE IN DEG19.00 NOMINAL
PHASE SHIFT ANGLE IN DEG4.000 INPUT TO OUTPUT NOMINAL
MAXIMUM FUNDAMENTAL NULL VOLTAGE IN MILLIVOLTS PER VOLT12.00 OUTPUT
MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT18.00
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES-10.0 TO 10.0
ALIGNMENT HOLE QUANTITY4
PILOT LENGTH0.0400 INCHES NOMINAL
MOUNTING SURFACE TO TERMINAL END DISTANCE1.6000 INCHES MINIMUM AND 1.6620 INCHES MAXIMUM
BODY MATERIALSTEEL CORROSION RESISTING
TERMINAL LOCATIONREAR
SHAFT SLOT DEPTH0.0300 INCHES MINIMUM AND 0.0350 INCHES MAXIMUM BOTH SHAFTS
SHAFT SLOT WIDTH0.0200 INCHES MINIMUM AND 0.0250 INCHES MAXIMUM BOTH SHAFTS
SHAFT TYPEROUND, SLOTTED BOTH SHAFTS
ALIGNMENT HOLE DEPTH0.1250 INCHES NOMINAL
TRANSFORMATION RATIO0.454 ROTOR TO STATOR NOMINAL
ALIGNMENT HOLE BOLT CIRCLE DIAMETER0.8720 INCHES MINIMUM AND 0.8780 INCHES MAXIMUM
TERMINAL TYPE AND QUANTITY5 WIRE LEAD
Freight / Transportation
NMFCSubWCCTCCDescription
062820Z593ZRADIO/TV TRANSMIT/RECEIVE SETS

If the NSN isn't available, are there substitutes or alternate part numbers for NSN 5990-00-760-7474?

NSN 5990-00-760-7474 is associated with the following manufacturer alternate part numbers: AY209SC77T, CGH-15-AKS-1/F304. Whether you need to buy, order, or get wholesale pricing on any of these part numbers, NSN-PARTS.COM accepts quote requests for pricing and availability, including obsolete and hard-to-find inventory.

FAQ

5990-00-760-7474

What National Stock Number (NSN) Category does this 5990-00-760-7474


NSN 5990-00-760-7474 belongs to Federal Supply Class 5990 which is 5990 - Synchros and Resolvers. This FSC is part of the federal supply catalog maintained by the U.S. Department of Defense and is used to standardize the procurement and cataloging of military and government components across all branches of the armed forces and federal agencies.

What traceability documentation is available for parts ordered through NSN-PARTS.COM?

Traceability is a core part of our sourcing process. Depending on the part and its supply chain origin, we can provide Certificates of Conformance (C of C), manufacturer packing slips, date codes, lot codes, and sourcing documentation that traces the item back through the distribution chain. For government and defense procurement, we understand that documentation requirements can be strict if your purchase order or contract specifies particular traceability requirements, include them in your RFQ and we will confirm our ability to meet them before order confirmation.

Does NSN 5990-00-760-7474 have an alternate part number?

Yes. NSN 5990-00-760-7474 is also referenced by manufacturer part number CGH15AKS1F304, where CGH15AKS1F304 is the original equipment manufacturer designation for this item. When sourcing this part, buyers may encounter either the NSN 5990-00-760-7474 or the MPN CGH15AKS1F304 depending on the procurement system or supplier being used. NSN-PARTS.COM accepts quote requests using either the NSN or the manufacturer part number. For a full list of alternate part numbers associated with this NSN, see below.

Which country originally cataloged this NSN, and what is its National Codification Bureau (NCB) code?

Every NSN includes a two-digit National Codification Bureau (NCB) code in positions 5 and 6 of the full 13-digit number. That code identifies which country originally cataloged the item through the NATO codification system. You can find the NCB code for this part listed in the product description above. Use the table below to identify the originating country and its NATO membership status.

For this NSN, the NCB code is 00, which means it was originally cataloged by USA (NATO). Use the table below for a full reference of all NCB codes and their associated countries.

Country NCB Code(s) Status
USA00 and 01NATO
Unassigned (USA)02 through 10n/a
West Germany / Germany11n/a
Belgium12NATO
France13NATO
Italy14NATO
Czechoslovakia / Czech Republic15NATO
Netherlands16NATO
South Africa17NATO
Brazil18Tier 1
Canada19Tier 2
Denmark20 and 21NATO
Greece22NATO
Iceland23NATO
Norway24NATO
Portugal25NATO
Turkey26NATO
Luxembourg27NATO
Argentina28Tier 2
Japan29Tier 1
Israel30Tier 2
Singapore31Tier 2
Spain32NATO
Malaysia33Tier 2
Thailand34Tier 1
Egypt35Tier 1
Republic of Korea36Tier 2
Estonia37NATO
Romania38NATO
Slovakia39NATO
Austria40Tier 2
Slovenia41NATO
Poland42NATO
United Nations-standard items43n/a
Indonesia44Tier 2
Philippines45Other
Lithuania46NATO
Fiji47Other
Tonga48Other
Bulgaria49NATO
Hungary50NATO
Chile51Tier 1
Croatia52NATO
North Macedonia53NATO
Latvia54NATO
Oman55Tier 1
Russian Federation56Other
Finland57NATO
Albania58NATO
Kuwait59Other
Ukraine60Tier 2
Belarus61Tier 2
Morocco62Tier 1
Sweden63NATO
Papua, New Guinea64Other
Australia65Tier 2
Afghanistan66Other
Georgia67Tier 1
Saudi Arabia69n/a
United Arab Emirates70Tier 1
India71Tier 2
Serbia72Tier 2
Pakistan73Other
Bosnia-Herzegovina74Tier 1
Brunei75Tier 1
Montenegro76NATO
Jordan77Tier 1
Peru78Tier 1
Colombia79Tier 2
Qatar80Tier 1
Algeria81Other
New Zealand82Tier 2
United Kingdom98 and 99NATO
What is your process for locating excess inventory for hard-to-find NSN parts?

When a part is not immediately available through standard distribution channels, our sourcing team conducts a multi-channel search that includes authorized distributor networks, government surplus and DLA excess inventory, independent broker networks, and manufacturer direct channels where applicable. Every potential source is evaluated for authenticity and traceability before we present it as a viable option. We do not source from unvetted or unknown suppliers, and we will never offer parts we cannot document. If we locate stock, we provide full sourcing details with your quote so your procurement and quality teams can make an informed decision before committing to an order.

Are parts sourced through NSN-PARTS.COM traceable back to the original manufacturer?

We make every effort to ensure full chain-of-custody traceability for every part we supply. Our preferred sourcing path is always manufacturer-direct or through authorized distribution channels, which provides the strongest traceability and the lowest counterfeit risk. When parts must be sourced through independent or excess channels; as is often the case for obsolete or long-discontinued components, we require sourcing documentation at every link in the chain and apply additional scrutiny to confirm authenticity. Parts that cannot be adequately documented are not offered for sale. If your program has specific traceability requirements such as QPL, QML, or QSLD compliance, please include those details in your RFQ so we can confirm sourcing eligibility upfront.

Testimonials

Sent an RFQ on a Friday afternoon and had a quote back within the hour. Parts showed up ahead of schedule. That kind of response time matters a lot when equipment is down.

Lead Tech, Part 145 Repair Station

We work on older military equipment and finding parts is a constant battle. NSN-Parts has come through for us more times than I can count. Good people, fast turnaround.

Diane R., Defense Contractor – Procurement

I had three distributors tell me a part was gone for good. NSN-Parts had it in stock and shipped it the same day. They're my first call now

Logistics Specialist, USAF

The FSC search actually works. I found what I needed without digging through a bunch of irrelevant results. Ordering was simple and the parts were exactly what was listed.

Priya M., Supply Chain Analyst

I've been sourcing NSN parts for a long time and it's hard to find a distributor that really knows the catalog. These guys do. They answer questions fast and know what they're talking about.

Robert H., Aviation Parts Buyer

Accreditations

Federal Supply Class: 5990 - SYNCHROS AND RESOLVERS

Technical Characteristics
BODY STYLESTANDARD ROUND C
SHOULDER DIAMETER1.3115 INCHES MINIMUM AND 1.3125 INCHES MAXIMUM
PILOT DIAMETER0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM
OVERALL LENGTH2.2250 INCHES MINIMUM AND 2.2870 INCHES MAXIMUM
FLANGE DIAMETER1.4360 INCHES MINIMUM AND 1.4380 INCHES MAXIMUM
FLANGE THICKNESS0.0930 INCHES NOMINAL
UNDERCUT DIAMETER1.3120 INCHES NOMINAL
UNDERCUT WIDTH0.0780 INCHES NOMINAL
LENGTH0.1310 INCHES NOMINAL SHOULDER
SHAFT DIAMETER0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM BOTH SHAFTS
SHAFT LENGTH0.2500 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM BOTH SHAFTS
BODY SIZE15
ROTOR INPUT VOLTAGE RATING IN VOLTS26.0 NOMINAL
FREQUENCY IN HERTZ400.0 NOMINAL
ROTOR INPUT CURRENT RATING250.0 MILLIAMPERES MAXIMUM
ROTOR INPUT ELECTRICAL POWER RATING1.4 WATTS MAXIMUM
ZRO IMPEDANCE MAGNITUDE IN OHMS18.00 NOMINAL
ZRO IMPEDANCE ANGLE IN DEG112.00 NOMINAL
ZSS IMPEDANCE MAGNITUDE IN OHMS4.70 NOMINAL
ZSS IMPEDANCE ANGLE IN DEG19.00 NOMINAL
PHASE SHIFT ANGLE IN DEG4.000 INPUT TO OUTPUT NOMINAL
MAXIMUM FUNDAMENTAL NULL VOLTAGE IN MILLIVOLTS PER VOLT12.00 OUTPUT
MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT18.00
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES-10.0 TO 10.0
ALIGNMENT HOLE QUANTITY4
PILOT LENGTH0.0400 INCHES NOMINAL
MOUNTING SURFACE TO TERMINAL END DISTANCE1.6000 INCHES MINIMUM AND 1.6620 INCHES MAXIMUM
BODY MATERIALSTEEL CORROSION RESISTING
TERMINAL LOCATIONREAR
SHAFT SLOT DEPTH0.0300 INCHES MINIMUM AND 0.0350 INCHES MAXIMUM BOTH SHAFTS
SHAFT SLOT WIDTH0.0200 INCHES MINIMUM AND 0.0250 INCHES MAXIMUM BOTH SHAFTS
SHAFT TYPEROUND, SLOTTED BOTH SHAFTS
ALIGNMENT HOLE DEPTH0.1250 INCHES NOMINAL
TRANSFORMATION RATIO0.454 ROTOR TO STATOR NOMINAL
ALIGNMENT HOLE BOLT CIRCLE DIAMETER0.8720 INCHES MINIMUM AND 0.8780 INCHES MAXIMUM
TERMINAL TYPE AND QUANTITY5 WIRE LEAD
Freight & Shipping
NMFCWCCTCCDescription
062820593ZRADIO/TV TRANSMIT/RECEIVE SETS