The Washer,flat, cataloged under National Stock Number 5310-00-774-8419, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-774-8419 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Finish | 100.0 MICROINCHES ALL SURFACES |
| Overall Diameter | 0.932 INCHES MINIMUM AND 0.936 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 301 OR STEEL COMP 302 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Thickness | 0.0325 INCHES MINIMUM AND 0.0335 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 12631 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-774-8419 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 1660-00-909-7710, 5930-01-237-3290, 6240-01-344-5064. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-00-774-8419: Surface Finish: 100.0 MICROINCHES ALL SURFACES; Overall Diameter: 0.932 INCHES MINIMUM AND 0.936 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 9 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.