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2825-00-227-9617 (25J399STBD)

2825-00-227-9617 is equivalent to manufacture part number 25J399. It is a steam turbine and is classified under Federal Supply Class 2825 (2825 - Steam Turbines), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 2825 - Steam Turbines and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.

NSN: 2825002279617
ALT NSN: 2825-00-227-9617
NIIN: 00-227-9617
NCB: 00
FSC: 2825
NSIN: 227-9617
MNF PART: 25J399
DESC: TURBINE, STEAM
ALT DESC: STEAM TURBINE
MNF ALT's: 25J399 | 25J399STBD
OTHER ALT's: 25J399 | 25J399STBD

SKU 25J399STBD

2825 - Categorized Part
2825 - Steam Turbines

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Federal Supply Class · 2825 - STEAM TURBINES AND COMPONENTS
Part & Reference Numbers (2)
Part NumberCAGEManufacturerStatusRNCCRNVCDACRNAACRNFCRNSCRNJCSADCHCCMSDS
25J39979500WESTINGHOUSE ELECTRIC CORPA315XX3D
25J399STBD90099NORTHROP GRUMMAN SYSTEMS CORPORATIONA526HD1B
Item Characteristics (22)
CharacteristicRequirement / Reply
EXHAUST PRESSURE2.55 POUNDS PER SQUARE INCH GAGE
SHAFT ROTATION DIRECTIONCLOCKWISE
AHEAD STAGE DESIGNREACTION
AHEAD RATED HORSEPOWER AT SPECIFIED RPM15400 SHAFT HP AT 4792 RPM
ASTERN RATED HORSEPOWER AT SPECIFIED RPM6000 SHAFT HP AT 2571 RPM
ASTERN TURBINE LOCATIONAFT END OF LOW PRESSURE TURBINE
AHEAD REACTION STAGE QUANTITY9
AHEAD REACTION STAGE ROTATION BLADE ROW QUANTITY18
AHEAD FLOW TYPEDOUBLE
ASTERN STAGE DESIGNIMPULSE
ASTERN ROTATION BLADE ROW QUANTITY4
ASTERN STATIONARY BLADE ROW QUANTITY2
ASTERN FLOW TYPEDOUBLE
AHEAD INITIAL STEAM GAGE PRESSURE42.0 POUNDS PER SQUARE INCH
ASTERN INITIAL STEAM GAGE PRESSURE525.0 POUNDS PER SQUARE INCH
AHEAD INITIAL STEAM TEMP416.0 DEGREES FAHRENHEIT
ASTERN INITIAL STEAM TEMP675.0 DEGREES FAHRENHEIT
REDUCTION GEAR ASSEMBLED FORMSEPARATE
LUBE OIL COOLER ASSEMBLED FORMSEPARATE
THROTTLE VALVE ASSEMBLED FORMSEPARATE
MOUNTING POSITIONHORIZONTAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAKCT
Management Data
MOESOSAACUIUI ConvMgmt CtrlUnit PriceQUPCIICSLCEffectiveC/H
DNNRPJAY7H--009$1555510U001-OCT-2025C
MOE Rules (1)
MOE RuleFormerAssignedAMCAMSCIMCIMCA
N2H401-APR-913REHD
Freight / Transportation
NMFCSubWCCTCCDescription
132560X593ZTURBINES STEAM/GAS/WATER/PARTS NOI
Phrase Data (1)
CodeStatementMOEUSC
RREFER TO NET PRICE 40964.00DNL
Identification
Item Name Code (INC)04569
Primary INC (PINC)0004569
NIIN Assigned01-JAN-1963
Schedule B (Export)8406900040
Precious Metals Ind (PMIC)A
Criticality CodeX
DEMIL CodeA
Hazardous Material Ind (HMIC)N
ADP Equipment Ind0
Item Indicator (II)L
IUID IndicatorY
Standardization / Related NSNs (1)
Related NSNISCDecision Date
501-FEB-1975

If the NSN isn't available, are there substitutes or alternate part numbers for NSN 2825-00-227-9617?

NSN 2825-00-227-9617 is associated with the following manufacturer alternate part numbers: 25J399, 25J399STBD. 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

2825-00-227-9617

What National Stock Number (NSN) Category does this 2825-00-227-9617


NSN 2825-00-227-9617 belongs to Federal Supply Class 2825 which is 2825 - Steam Turbines. 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 2825-00-227-9617 have an alternate part number?

Yes. NSN 2825-00-227-9617 is also referenced by manufacturer part number 25J399STBD, where 25J399STBD is the original equipment manufacturer designation for this item. When sourcing this part, buyers may encounter either the NSN 2825-00-227-9617 or the MPN 25J399STBD 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.

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Diane R., Defense Contractor – Procurement

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Priya M., Supply Chain Analyst

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