The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-522-0672, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Rms. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-522-0672 |
| Primary Part Number | NUT-S-001449 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Rms |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| NUT-S-001449 PRIMARY | Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Rms (USA) |
| 6391417 FIND 19 | Naval Sea Systems Command (USA) |
NSN 5310-01-522-0672 is a Nut,self-Locking,hexagon, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Rms, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-522-0672 has 2 manufacturer part numbers on file: NUT-S-001449 (Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Rms), 6391417 FIND 19 (Naval Sea Systems Command).
Key specifications for NUT-S-001449: Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.250 INCHES IN; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT. 6 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.