The Pin-Rivet, cataloged under National Stock Number 5320-00-367-6743, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Heartland Precision Fasteners Inc. The record lists 19 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 18 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | The Boeing Company Div Defense (CAGE 76301); Howmet Global Fastening Systems Inc (CAGE 06950); Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAGE L4528); West Coast Aerospace, Inc. (CAGE 60516); Heartland Precision Fasteners Inc (CAGE 0ZC92) |
| Parameter | Value |
|---|---|
| NSN | 5320-00-367-6743 |
| Primary Part Number | HP4758-4-3 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Heartland Precision Fasteners 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 |
|---|---|
| HP4758D4-3 | The Boeing Company Div Defense (USA) |
| HLT631YC-8-3 | Howmet Global Fastening Systems Inc (USA) |
| HLT631YC-8-3 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT631YB-8-3 | West Coast Aerospace, Inc. (USA) |
| HLT631YC-8-3 | Heartland Precision Fasteners Inc (USA) |
| HLT631TB-8-3 | The Boeing Company Div Defense (USA) |
| HLT631YB-8-3 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YC-8-3 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT631YC-8-3 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT631YB-8-3 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT631YC-8-3 | West Coast Aerospace, Inc. (USA) |
| HLT631YB-8-3 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HP4758-4-3 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| HLT631YC-8-3 | Huck International, Inc (USA) |
| HLT631YB-8-3 | Huck International, Inc (USA) |
| HLT631YB-8-3 | Howmet Global Fastening Systems Inc (USA) |
| HLT631YC-8-3 | Hi-Shear Corporation (USA) |
| HLT631YB-8-3 | Hi-Shear Corporation (USA) |
| HLT631YC-8-3 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| HL645YE-8-3 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HLT631YC-8-3 | 5/9 Secondary reference Sps Technologies Inc |
| HL645YE-8-3 | 5/9 Secondary reference U.S. Government activity |
| AIC-L-645-8-3 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HL645LL8-3 | 5/9 Secondary reference U.S. Government activity |
| ST3M758D4-3 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HLT631YB-8-3 | 5/9 Secondary reference Heartland Precision Fasteners Inc |
| ST3M456C4-3 | 5/9 Secondary reference The Boeing Company Div Defense |
| HL645YE-8-3 | 5/9 Secondary reference Hi-Shear Corporation |
| AIC-L-771-8-3 | 5/1 Secondary reference The Boeing Company Div Defense |
| HLT631YB-8-3 | 5/9 Secondary reference Sps Technologies Inc |
| HL645YE-8-3 | 5/9 Secondary reference U.S. Government activity |
| HL645LL8-3 | 5/9 Secondary reference Sps Technologies Inc |
| MA4456-4-3 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| HL645YE-8-3 | 5/9 Secondary reference West Coast Aerospace, Inc. |
| HL645YE-8-3 | 5/9 Secondary reference Huck International, Inc |
| AIC-L-645-4-3 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HL645LL-8-3 | 5/9 Secondary reference Hi-Shear Corporation |
NSN 5320-00-367-6743 is a Pin-Rivet, manufactured by Heartland Precision Fasteners Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-367-6743 has 19 manufacturer part numbers on file: HP4758D4-3 (The Boeing Company Div Defense), HLT631YC-8-3 (Howmet Global Fastening Systems Inc), HLT631YC-8-3 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT631YB-8-3 (West Coast Aerospace, Inc.), HLT631YC-8-3 (Heartland Precision Fasteners Inc) and 14 more.
1 possible match (shared part number, not a government interchangeability claim): 5320-01-388-3666. 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.