The Nut,self-Locking,barrel, cataloged under National Stock Number 5310-00-453-8937, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-453-8937 |
| Item Name | Nut,self-Locking,barrel |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Nut Length | 0.600 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNF |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AISI ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Diameter | 0.488 INCHES MINIMUM AND 0.491 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.405 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | FLOATING SELF-LOCKING BARREL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 4340 OR STEEL COMP E4340 OVERALL |
| Barrel Height | 0.310 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 |
|---|---|
| SL40-4 | 3/2 Design control — primary reference U.S. Government activity |
| 6499-304234-1 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Div Corp |
NSN 5310-00-453-8937 is a Nut,self-Locking,barrel, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-453-8937: Nut Length: 0.600 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNF; Temp Rating: 450.0 FAHRENHEIT NOMINAL DEGF. 18 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.