The Washer,finishing, cataloged under National Stock Number 5310-00-151-5438, 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9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-151-5438 |
| Item Name | Washer,finishing |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | FINISHING |
| Material Document and Classification | QQ-A-250/8,O FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.230 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE OVERALL |
| Material | ALUMINUM ALLOY 5052 OVERALL |
| Hole Diameter | 0.115 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Recess Angle | 86.0 DEGREES MINIMUM AND 94.0 DEGREES MAXIMUM |
| 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 |
|---|---|
| 463660 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-151-5438 is a Washer,finishing, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-151-5438: Overall Height: 0.182 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: FINISHING; Material Document and Classification: QQ-A-250/8,O FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.