The Washer,finishing, cataloged under National Stock Number 5310-00-421-9986, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-421-9986 |
| Item Name | Washer,finishing |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-C-320,CL 1,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | FINISHING |
| Material Document and Classification | QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.555 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN |
| Surface Treatment | CHROMIUM OVERALL |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.229 INCHES MINIMUM AND 0.239 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 |
|---|---|
| C119BRSCRPL | 3/9 Design control — primary reference Edwin B. Stimpson Company, Inc. Dba Stimpson |
NSN 5310-00-421-9986 is a Washer,finishing, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-421-9986: Overall Height: 0.093 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-C-320,CL 1,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: FINISHING; Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.