The Pin-Rivet, cataloged under National Stock Number 5320-01-565-9594, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-565-9594 |
| Primary Part Number | HL646-12-22 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| HL646-12-22 PRIMARY | Huck International, Inc (USA) |
| HL646-12-22 PRIMARY | Hi-Shear Corporation (USA) |
| HL646-12-22 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL646-12-22 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL646-12-22 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL646-12-22 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HL646-12-22 | 3/2 Design control — primary reference U.S. Government activity |
| HL646-12-22 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5320-01-565-9594 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-565-9594 has 6 manufacturer part numbers on file: HL646-12-22 (Huck International, Inc), HL646-12-22 (Hi-Shear Corporation), HL646-12-22 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL646-12-22 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL646-12-22 (Sps Technologies, Llc Dba PB Fasteners) and 1 more.
Key specifications for HL646-12-22: Part Name Assigned by Controlling Agency: PIN-RIVET; End Item Identification: A-10 AIRCRAFT. 0 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.