The Washer,flat, cataloged under National Stock Number 5310-01-722-1357, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-722-1357 |
| Primary Part Number | 11241707 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastenal Company |
| Status | ACTIVE |
| Overall Diameter | 0.656 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.312 INCHES NOMINAL IN |
| Thickness | 0.095 INCHES NOMINAL IN |
| 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 |
|---|---|
| 11241707 PRIMARY | Fastenal Company (USA) |
| Reference | Meaning |
|---|---|
| TPLK.GRC.ECO.05 | D/9 Drawing number reference only Fastenal Company |
NSN 5310-01-722-1357 is a Washer,flat, manufactured by Fastenal Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-722-1357 has 1 manufacturer part number on file: 11241707 (Fastenal Company).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-722-1626. Verify interchangeability with system specifications before substitution.
Key specifications for 11241707: Overall Diameter: 0.656 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Special Features: FASTENAL ECOGUARD FINISH OVERALL; Peripheral Shape Style: ROUND. 7 specifications are documented in the U.S. Government catalog.
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.