The Pin-Rivet, cataloged under National Stock Number 5320-01-644-6741, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 — Rivets (FSG 53) |
| Manufacturers | Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528); Hi-Shear Corporation (CAGE 73197); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725); West Coast Aerospace, Inc. (CAGE 60516) |
| Parameter | Value |
|---|---|
| NSN | 5320-01-644-6741 |
| Primary Part Number | HST254AC6-4 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| 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 |
|---|---|
| HST254AC6-4 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HST254AC6-4 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HST254AC6-4 PRIMARY | Hi-Shear Corporation (USA) |
| HST254AC6-4 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| WC54AC-6X4 PRIMARY | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HST254AC6-4X | 5/9 Secondary reference Hi-Shear Corporation |
| HST254AG6-4X | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HST254AZ6-4X | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| HST254AP6-4X | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 100-191-6-4X | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5320-01-644-6741 is a Pin-Rivet, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-644-6741 has 5 manufacturer part numbers on file: HST254AC6-4 (Sps Technologies, Llc Dba PB Fasteners), HST254AC6-4 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HST254AC6-4 (Hi-Shear Corporation), HST254AC6-4 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), WC54AC-6X4 (West Coast Aerospace, Inc.).
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.