The Washer,flat, cataloged under National Stock Number 5310-01-464-0179, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-464-0179 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.362 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN |
| Inside Right Corner Chamfer Angle | 45.0 DEGREES NOMINAL |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS5596 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5597 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Inside Left Corner Chamfer Angle | 45.0 DEGREES NOMINAL |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | NICKEL ALLOY 718 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.238 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN |
| Thickness | 0.057 INCHES MINIMUM AND 0.069 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 |
|---|---|
| MS14183L-C3 | 3/2 Design control — primary reference U.S. Government activity |
| NASM14183 | 3/1 Design control — primary reference U.S. Government activity |
| MS14183L-C3 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-464-0179 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-464-0179: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.362 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN; Inside Right Corner Chamfer Angle: 45.0 DEGREES NOMINAL; Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM. 13 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.