The Nut,self-Locking, cataloged under National Stock Number 5310-01-132-0664, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-132-0664 |
| Primary Part Number | ST3M762-5M |
| Item Name | Nut,self-Locking |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| General Characteristics Item Description | 0.312-24 UNJF 3B RH THREAD,NICKEL ALLOY 718 PER AMS 5662 OR AMS 5663,COPPER/NICKEL PLATE OPTIONAL ON THREADS ONLY,DRY FILM LUBRICATED,OVERALL HEIGHT 0.253 IN. MAX,WIDTH OF SPLINE 0.080 IN. MIN,LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN,TENSILE STRENGTH 12900 PSI MIN IN |
| 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 |
|---|---|
| H50757-5 | Howmet Global Fastening Systems Inc (USA) |
| ST3M762-5M PRIMARY | The Boeing Company Div Defense (USA) |
| BH762-5 | Bristol Industries, Llc (USA) |
| LH12180-5 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| LH12180-5 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-01-132-0664 is a Nut,self-Locking, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-132-0664 has 4 manufacturer part numbers on file: H50757-5 (Howmet Global Fastening Systems Inc), ST3M762-5M (The Boeing Company Div Defense), BH762-5 (Bristol Industries, Llc), LH12180-5 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for ST3M762-5M: General Characteristics Item Description: 0.312-24 UNJF 3B RH THREAD,NICKEL ALLOY 718 PER AMS 5662 OR AMS 5663,COPPER/NICKEL PLATE OPTIONAL ON THREADS ONLY,DRY FILM LUBRICATED,OVERALL HEIGHT 0.253 IN. MAX,WIDTH OF SPLINE 0.080 IN. MIN,LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN,TENSILE STRENGTH 12900 PSI MIN IN. 1 specification is 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.