The Pin-Rivet,threaded, cataloged under National Stock Number 5320-01-660-6551, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Pin-Rivet,threaded |
| FSC / FSG | 5320 — Rivets (FSG 53) |
| Manufacturers | West Coast Aerospace, Inc. (CAGE 60516); Hi-Shear Corporation (CAGE 73197); Huck International, Inc (CAGE 17446) |
| Parameter | Value |
|---|---|
| NSN | 5320-01-660-6551 |
| Primary Part Number | HST528AP-10-9 |
| Item Name | Pin-Rivet,threaded |
| 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) |
| Part Number | Manufacturer |
|---|---|
| WC199A-10-9 | West Coast Aerospace, Inc. (USA) |
| HST528AP-10-9 PRIMARY | Hi-Shear Corporation (USA) |
| HK0099C10-9 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| VS3422VAP10-9 | 3/2 Design control — primary reference U.S. Government activity |
| 3D0099C10-9 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-660-6551 is a Pin-Rivet,threaded, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-660-6551 has 3 manufacturer part numbers on file: WC199A-10-9 (West Coast Aerospace, Inc.), HST528AP-10-9 (Hi-Shear Corporation), HK0099C10-9 (Huck International, 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.