The Pin-Rivet, cataloged under National Stock Number 5320-01-191-0554, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | The Boeing Company Div Defense (CAGE 76301); Hi-Shear Corporation (CAGE 73197); Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725) |
| Parameter | Value |
|---|---|
| NSN | 5320-01-191-0554 |
| Primary Part Number | 3M952V4-10-21 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 3M952V4-10-21 PRIMARY | The Boeing Company Div Defense (USA) |
| HL638-8-10-21 | Hi-Shear Corporation (USA) |
| HL638-8-10-21 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL638-8-10-21 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| HL638-8-10-21 | 5/2 Secondary reference U.S. Government activity |
| 3M952 | D/9 Drawing number reference only The Boeing Company Div Defense |
| HL638-8-10-21 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5320-01-191-0554 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-191-0554 has 4 manufacturer part numbers on file: 3M952V4-10-21 (The Boeing Company Div Defense), HL638-8-10-21 (Hi-Shear Corporation), HL638-8-10-21 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL638-8-10-21 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
2 possible matches (shared part number, not a government interchangeability claim): 5320-01-192-0389, 5320-01-192-3386. 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.