The Pin-Rivet, cataloged under National Stock Number 5320-01-672-7766, 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 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-672-7766 |
| Primary Part Number | HL646-14-32 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM |
| Head Height | 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| Fastener Length | 2.635 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | STRAIGHT PAN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.4375 INCHES IN |
| Grip Length | 2.000 INCHES NOMINAL IN |
| Width Between Flats | 0.233 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.641 INCHES MINIMUM AND 0.676 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 |
|---|---|
| HL646-14-32 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL646-14-32 PRIMARY | Hi-Shear Corporation (USA) |
| HL64-6-32 | Huck International, Inc (USA) |
| HL64-6-32 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL64-6-32 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| HL64-6-32 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL64-6-32 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL64-6-32 | West Coast Aerospace, Inc. (USA) |
NSN 5320-01-672-7766 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-672-7766 has 8 manufacturer part numbers on file: HL646-14-32 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL646-14-32 (Hi-Shear Corporation), HL64-6-32 (Huck International, Inc), HL64-6-32 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL64-6-32 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products) and 3 more.
Key specifications for HL646-14-32: Shank Diameter: 0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN; Lubrication: SOLID FILM; Head Height: 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN; Fastener Length: 2.635 INCHES NOMINAL IN. 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.