The Pin-Rivet, cataloged under National Stock Number 5320-01-321-1072, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 16 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 | 5320-01-321-1072 |
| Primary Part Number | HL140-6-4 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM IN |
| Head Height | 0.0394 INCHES MINIMUM AND 0.0415 INCHES MAXIMUM IN |
| Fastener Length | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5737 FED SPEC SINGLE MATERIAL RESPONSE OR AMS5731 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Specification/standard Data | 73197-HL140-6-4 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Grip Length | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0806 INCHES MAXIMUM IN |
| 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 | 0.2966 INCHES MINIMUM AND 0.3016 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 |
|---|---|
| HL140-6-4 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL140-6-4 PRIMARY | Hi-Shear Corporation (USA) |
| HL140-6-4 | West Coast Aerospace, Inc. (USA) |
| HL140-6-4 | Huck International, Inc (USA) |
| HL140-6-4 | Howmet Global Fastening Systems Inc (USA) |
| HL140-6-4 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL140-6-4 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
NSN 5320-01-321-1072 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-321-1072 has 7 manufacturer part numbers on file: HL140-6-4 (Sps Technologies, Llc Dba PB Fasteners), HL140-6-4 (Hi-Shear Corporation), HL140-6-4 (West Coast Aerospace, Inc.), HL140-6-4 (Huck International, Inc), HL140-6-4 (Howmet Global Fastening Systems Inc) and 2 more.
Key specifications for HL140-6-4: Shank Diameter: 0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM IN; Head Height: 0.0394 INCHES MINIMUM AND 0.0415 INCHES MAXIMUM IN; Fastener Length: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN; Material Document and Classification: AMS5737 FED SPEC SINGLE MATERIAL RESPONSE OR AMS5731 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 16 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.