The Washer,flat, cataloged under National Stock Number 5310-01-716-3583, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Mcmaster-Carr Supply Co (CAGE 39428); Fastenal Company Dba Fastenal Co (CAGE 0Y3H3); Accurate Manufactured Products Group Inc (CAGE 4TU30) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-716-3583 |
| Primary Part Number | 91117A240 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 91117A240 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| 11103156 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
| Z9693 PRIMARY | Accurate Manufactured Products Group Inc (USA) |
| Reference | Meaning |
|---|---|
| 12667084 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5310-01-716-3583 is a Washer,flat, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-716-3583 has 3 manufacturer part numbers on file: 91117A240 (Mcmaster-Carr Supply Co), 11103156 (Fastenal Company Dba Fastenal Co), Z9693 (Accurate Manufactured Products Group Inc).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.