The Pin-Rivet, cataloged under National Stock Number 5320-00-367-6738, 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 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 — Rivets (FSG 53) |
| Manufacturers | Howmet Global Fastening Systems Inc (CAGE 06950); Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); Huck International, Inc (CAGE 17446); West Coast Aerospace, Inc. (CAGE 60516); Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528) |
| Parameter | Value |
|---|---|
| NSN | 5320-00-367-6738 |
| Primary Part Number | ST3M456C4-11 |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| HL645YE-8-11 | Howmet Global Fastening Systems Inc (USA) |
| ST3M456C4-11 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL645YE-8-11 | Huck International, Inc (USA) |
| HL645YE-8-11 | West Coast Aerospace, Inc. (USA) |
| HL645YE-8-11 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL645YE-8-11 | Hi-Shear Corporation (USA) |
| ST3M456C4-11 PRIMARY | The Boeing Company Div Defense (USA) |
| AIC-L-645-8-11 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| ST3M456C4-11 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| HL645LL-8-11 | 5/9 Secondary reference Hi-Shear Corporation |
| HL645LL8-11 | 5/9 Secondary reference Sps Technologies Inc |
| HL645LL8-11 | 5/9 Secondary reference U.S. Government activity |
| HL645YE-8-11 | 5/9 Secondary reference U.S. Government activity |
| ST3M456C4-11 | 5/2 Secondary reference U.S. Government activity |
| MA4456-4-11 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| AIC-L-645-4-11 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HL645YE-8-11 | 5/9 Secondary reference U.S. Government activity |
| HL645YE-8-11 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5320-00-367-6738 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-367-6738 has 8 manufacturer part numbers on file: HL645YE-8-11 (Howmet Global Fastening Systems Inc), ST3M456C4-11 (Sps Technologies, Llc Dba PB Fasteners), HL645YE-8-11 (Huck International, Inc), HL645YE-8-11 (West Coast Aerospace, Inc.), HL645YE-8-11 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 3 more.
1 possible match (shared part number, not a government interchangeability claim): 5320-00-481-1013. 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.