The Pin-Rivet, cataloged under National Stock Number 5320-01-521-7461, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-521-7461 |
| Primary Part Number | HL40-8-6 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Shank Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Head Height | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 258,CAGEC73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.295 INCHES MINIMUM AND 0.315 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 |
|---|---|
| HL40-8-6 | Huck International, Inc (USA) |
| HL40-8-6 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL40-8-6 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL40-8-6 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL40-8-6 PRIMARY | Hi-Shear Corporation (USA) |
| HL40-8-6 | West Coast Aerospace, Inc. (USA) |
| HL40-8-6 | Howmet Global Fastening Systems Inc (USA) |
NSN 5320-01-521-7461 is a Pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-521-7461 has 7 manufacturer part numbers on file: HL40-8-6 (Huck International, Inc), HL40-8-6 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL40-8-6 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL40-8-6 (Sps Technologies, Llc Dba PB Fasteners), HL40-8-6 (Hi-Shear Corporation) and 2 more.
Key specifications for HL40-8-6: Shank Diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN; Head Height: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN; Surface Treatment Document and Classification: 258,CAGEC73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 11 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.