NSN 5310-00-957-7664 · NIIN 009577664 · Part number 12FC
Cosmo Corporation · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 05616
Government record, cited
NSN 5310-00-957-7664 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-957-7664. Manufacturer of record part number: 12FC.
Also searched as5310-00-957-7664 ·
5310009577664 ·
NIIN 009577664 ·
00-957-7664 ·
FSC 5310 Nuts and Washers · CAGE 05616 · 12FC
The Washer,flat, cataloged under National Stock Number 5310-00-957-7664, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cosmo Corporation. Government technical data includes 8 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.
Technical Specifications
Parameter
Value
NSN
5310-00-957-7664
Primary Part Number
12FC
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Cosmo Corporation
Status
ACTIVE
Overall Diameter
0.312 INCHES NOMINAL IN
Material Document and Classification
ZYTEL 101,CAGEC 05616 MFR REF SINGLE MATERIAL RESPONSE OVERALL
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 5310-00-957-7664?
NSN 5310-00-957-7664 is a Washer,flat, manufactured by Cosmo Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-957-7664?
NSN 5310-00-957-7664 has 1 manufacturer part number on file: 12FC (Cosmo Corporation).
What are the specifications of 12FC?
Key specifications for 12FC: Overall Diameter: 0.312 INCHES NOMINAL IN; Material Document and Classification: ZYTEL 101,CAGEC 05616 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-957-7664 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.