The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-054-4648, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Greer Stop Nut, Inc.. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-054-4648 |
| Primary Part Number | NMJ-440 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Greer Stop Nut, Inc. |
| Status | ACTIVE |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Temp Rating | 250.0 FAHRENHEIT MAXIMUM DEGF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.156 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL EXCEPT INSERT |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 40 |
| Material | STEEL NUT |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Bearing Surface Type | CHAMFERED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-054-4648 is a Nut,self-Locking,hexagon, manufactured by Greer Stop Nut, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-054-4648 has 2 manufacturer part numbers on file: NMJ-440 (Greer Stop Nut, Inc.), NM-440 (Greer Stop Nut, Inc.).
Key specifications for NMJ-440: Width Across Flats: 0.250 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT; Thread Series: UNIFIED NATIONAL COARSE (UNC); Temp Rating: 250.0 FAHRENHEIT MAXIMUM DEGF. 15 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.