5310-01-735-6598 (ISO7089-8-300HV-ZNNI5/CN/T2)
NSN 5310-01-735-6598 (NIIN 01-735-6598) is a flat washer in Federal Supply Class 5310, Nuts And Washers — a washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. Manufacturer part number ISO7089-8-300HV-ZNNI5/CN/T2 (International Organization For, CAGE I9008); also referenced as ISO 7089 (International Organization For).
NIIN assigned December 2025; DEMIL A (none required); ESD/EMI-sensitive; unit of issue EA (each), $237.50 gov standard price.