The Pin-Rivet, cataloged under National Stock Number 5320-01-556-2874, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is West Coast Aerospace, Inc.. The record lists 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-556-2874 |
| Primary Part Number | BACB30MB6A4 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | West Coast Aerospace, 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 |
|---|---|
| BACB30MB6A4 | West Coast Aerospace, Inc. (USA) |
| BACB30MB6A4 | Howmet Global Fastening Systems Inc (USA) |
| BACB30MB6A4 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| BACB30MB6A4 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30MB6A4 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30MB6A4 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| BACB30MB6A4 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| BACB30MB6A4 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30MB6A4 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-556-2874 is a Pin-Rivet, manufactured by West Coast Aerospace, Inc., classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-556-2874 has 7 manufacturer part numbers on file: BACB30MB6A4 (West Coast Aerospace, Inc.), BACB30MB6A4 (Howmet Global Fastening Systems Inc), BACB30MB6A4 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), BACB30MB6A4 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30MB6A4 (Sps Technologies, Llc Dba PB Fasteners) and 2 more.
1 possible match (shared part number, not a government interchangeability claim): 5320-01-687-4349. Verify interchangeability with system specifications before substitution.
Key specifications for BACB30MB6A4: Part Name Assigned by Controlling Agency: BOLT,HEX; End Item Identification: AIRCRAFT,C-135. 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.