The Washer,concave, cataloged under National Stock Number 5310-01-324-0992, 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7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-324-0992 |
| Item Name | Washer,concave |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.110 INCHES MAXIMUM IN |
| Material Thickness | 0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL AND CADMIUM AND CHROMATE OVERALL |
| Material | STEEL COMP H11 OVERALL |
| Hole Diameter | 0.725 INCHES MINIMUM AND 0.735 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 |
|---|---|
| 5310PL1642806 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| LS35298B08CC | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-324-0992 is a Washer,concave, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-324-0992: Surface Treatment Document and Classification: AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.110 INCHES MAXIMUM IN; Material Thickness: 0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN. 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.