NSN 5310-01-668-5531 · NIIN 016685531 · Part number 11144-03178
Fastenal Company Dba Fastenal Co · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 0Y3H3
Government record, cited
NSN 5310-01-668-5531 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-668-5531. Manufacturer of record part number: 11144-03178.
Also searched as5310-01-668-5531 ·
5310016685531 ·
NIIN 016685531 ·
01-668-5531 ·
FSC 5310 Nuts and Washers · CAGE 0Y3H3 · 11144-03178 · 12602541 · 3973138
Manufacturer of record: Fastenal Company Dba Fastenal Co
Identification
NSN: 5310-01-668-5531
NIIN: 016685531
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 11144-03178
Manufacturer: Fastenal Company Dba Fastenal Co
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-668-5531, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Dba Fastenal Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Washer,flat
FSC / FSG
5310 — Nuts and Washers (FSG 53)
Manufacturers
Fastenal Company Dba Fastenal Co (CAGE 0Y3H3); U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207)
U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Reference documents
Reference
Meaning
3973138
5/9Secondary reference
Oshkosh Defense Llc
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
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 5310-01-668-5531?
NSN 5310-01-668-5531 is a Washer,flat, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-668-5531?
NSN 5310-01-668-5531 has 2 manufacturer part numbers on file: 11144-03178 (Fastenal Company Dba Fastenal Co), 12602541 (U S Army Tank Automotive Command Amsta-Im-Mm).
Is NSN 5310-01-668-5531 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.