The Pin-Rivet, cataloged under National Stock Number 5320-01-045-9631, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is West Coast Aerospace, Inc.. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-045-9631 |
| Primary Part Number | ST3M501-5-6 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | West Coast Aerospace, Inc. |
| Status | ACTIVE |
| Shank Diameter | 0.3271 INCHES MINIMUM AND 0.3276 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.068 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN |
| Fastener Length | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 258,FSCM 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Grip Length | 0.380 INCHES MAXIMUM IN |
| Width Between Flats | 0.1270 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.475 INCHES MINIMUM AND 0.505 INCHES MAXIMUM 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 |
|---|---|
| ST3M501-5-6 | Huck International, Inc (USA) |
| ST3M501-5-6 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M501-5-6 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M501-5-6 | Hi-Shear Corporation (USA) |
| ST3M501-5-6 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M501-5-6 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HL744LL10-6 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| ST3M501-5-6 | 5/2 Secondary reference U.S. Government activity |
| HL744LL-10-6 | 5/9 Secondary reference U.S. Government activity |
| ST3M501-5-6 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HL744LL-10-6 | 5/9 Secondary reference Howmet Global Fastening Systems Inc Div City of Industry Operations |
| AIC-L-744LL-10-6 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HL744LL-10-6 | 5/9 Secondary reference Huck International, Inc |
| HL744LL-10-6 | 5/9 Secondary reference Hi-Shear Corporation |
| HL744LL-10-6 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HL744LL-10-6 | 5/9 Secondary reference West Coast Aerospace, Inc. |
| HL744LL-10-6 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
NSN 5320-01-045-9631 is a Pin-Rivet, manufactured by West Coast Aerospace, Inc., classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-045-9631 has 7 manufacturer part numbers on file: ST3M501-5-6 (Huck International, Inc), ST3M501-5-6 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST3M501-5-6 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), ST3M501-5-6 (Hi-Shear Corporation), ST3M501-5-6 (Sps Technologies, Llc Dba PB Fasteners) and 2 more.
Key specifications for ST3M501-5-6: Shank Diameter: 0.3271 INCHES MINIMUM AND 0.3276 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.068 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN; Fastener Length: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN. 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.