The Nut,sheet Spring, cataloged under National Stock Number 5310-01-392-1649, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-392-1649 |
| Item Name | Nut,sheet Spring |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Nut Width | 0.562 INCHES NOMINAL IN |
| Nut Length | 0.938 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | A66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Material Thickness | 0.037 INCHES NOMINAL IN |
| Panel Thickness | 0.060 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN |
| Departure From Cited Document | AS MODIFIED BY SURFACE FINISH |
| Mating Member Diameter Accommodated | 0.250 INCHES NOMINAL IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Nut Style | SHEET SPRING |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 12387308-41 | 3/1 Design control — primary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5310-01-392-1649 is a Nut,sheet Spring, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-392-1649: Nut Width: 0.562 INCHES NOMINAL IN; Nut Length: 0.938 INCHES NOMINAL IN; Surface Treatment Document and Classification: ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: A66 FED STD ALL MATERIAL RESPONSES OVERALL. 11 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.