NSN 5310-01-640-7690 · NIIN 016407690 · Part number 782-7666819 ITEM 28
Naval Sea Systems Command · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5310-01-640-7690 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-640-7690. Manufacturer of record part number: 782-7666819 ITEM 28.
Also searched as5310-01-640-7690 ·
5310016407690 ·
NIIN 016407690 ·
01-640-7690 ·
FSC 5310 Nuts and Washers · CAGE 53711 · 782-7666819 ITEM 28
The Washer,flat, cataloged under National Stock Number 5310-01-640-7690, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file
Frequently Asked Questions
What is NSN 5310-01-640-7690?
NSN 5310-01-640-7690 is a Washer,flat, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-640-7690?
NSN 5310-01-640-7690 has 1 manufacturer part number on file: 782-7666819 ITEM 28 (Naval Sea Systems Command).
What are the specifications of 782-7666819 ITEM 28?
Key specifications for 782-7666819 ITEM 28: Overall Diameter: 2.500 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; End Item Identification: HATCH, COVER. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-640-7690 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.