The Washer,flat, cataloged under National Stock Number 5310-01-196-7000, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-196-7000 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 0.302 INCHES NOMINAL IN |
| Outside Left Corner Chamfer Angle | 37.0 DEGREES NOMINAL |
| Surface Treatment Document and Classification | AMS 2408 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | BLANK RECTANGULAR |
| Surface Treatment | TIN OVERALL |
| Peripheral Shape Style | OCTAGON |
| Material | COPPER OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.166 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 |
| Reference | Meaning |
|---|---|
| 966216-102 | 7/2 Vendor item drawing reference U.S. Government activity |
| VSF1015CT-3SP | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-196-7000 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-196-7000: Width Across Flats: 0.302 INCHES NOMINAL IN; Outside Left Corner Chamfer Angle: 37.0 DEGREES NOMINAL; Surface Treatment Document and Classification: AMS 2408 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 10 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.