The Pin-Rivet, cataloged under National Stock Number 5320-01-640-8680, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 — Rivets (FSG 53) |
| Manufacturers | Hi-Shear Corporation (CAGE 73197) |
| Parameter | Value |
|---|---|
| NSN | 5320-01-640-8680 |
| Primary Part Number | HST11AP-5-4 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| 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 |
|---|---|
| HST11AP-5-4 | Hi-Shear Corporation (USA) |
| HST11AG-5-4 | Hi-Shear Corporation (USA) |
| HST11AZ-5-4 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| 100-267-5-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-640-8680 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-640-8680 has 3 manufacturer part numbers on file: HST11AP-5-4 (Hi-Shear Corporation), HST11AG-5-4 (Hi-Shear Corporation), HST11AZ-5-4 (Hi-Shear Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-664-4031. Verify interchangeability with system specifications before substitution.
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.