The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-540-1091, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 5 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 | 5310-01-540-1091 |
| Primary Part Number | 709-5343973 ITEM 014 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Size | 0.164 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| 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 |
|---|---|
| 709-5343973 ITEM 014 PRIMARY | Naval Sea Systems Command (USA) |
| 0.164-32UNC-3B CRES | Naval Sea Systems Command (USA) |
NSN 5310-01-540-1091 is a Nut,self-Locking,hexagon, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-540-1091 has 2 manufacturer part numbers on file: 709-5343973 ITEM 014 (Naval Sea Systems Command), 0.164-32UNC-3B CRES (Naval Sea Systems Command).
Key specifications for 709-5343973 ITEM 014: Thread Series: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Size: 0.164 INCHES IN; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT; Thread Class: 3B. 5 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.