The Pin-Rivet, cataloged under National Stock Number 5320-01-554-4366, 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 7 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5320-01-554-4366 |
| Primary Part Number | HL646-6-10 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Lubrication | SOLID FILM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Thread Class | 3A A |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| HL646-6-10 PRIMARY | Hi-Shear Corporation (USA) |
| HL646-6-10 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL646-6-10 PRIMARY | Huck International, Inc (USA) |
| HL646-6-10 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL646-6-10 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL646-6-10 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HL646-6-10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-554-4366 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-554-4366 has 6 manufacturer part numbers on file: HL646-6-10 (Hi-Shear Corporation), HL646-6-10 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL646-6-10 (Huck International, Inc), HL646-6-10 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL646-6-10 (Sps Technologies, Llc Dba PB Fasteners) and 1 more.
Key specifications for HL646-6-10: Lubrication: SOLID FILM; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.190 INCHES IN; Shank Style: PIN-RIVET, STRAIGHT, THREADED. 7 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.