The Pin-Rivet, cataloged under National Stock Number 5320-01-124-7737, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-124-7737 |
| Primary Part Number | HL21PB-5-6 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| 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 |
|---|---|
| HL21PB-5-6 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| HL21PB-5-6 | Tecno Trade S.r.l. (ITA) |
| HL21PB-5-6 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL21PB-5-6 | Huck International, Inc (USA) |
| HL21PB-5-6 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL21PB-5-6 | West Coast Aerospace, Inc. (USA) |
| HL21PB-5-6 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| HL21PB-5-6 | 5/9 Secondary reference U.S. Government activity |
| HL21PB-5-6 | 5/9 Secondary reference U.S. Government activity |
| HL65PB-5-6 | 5/9 Secondary reference Hi-Shear Corporation |
| HL21PB-5-6 | 7/2 Vendor item drawing reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| HL21PB-5-6 | 7/2 Vendor item drawing reference Hi-Shear Corporation |
| HS6066-5-6 | 7/2 Vendor item drawing reference The Boeing Company |
NSN 5320-01-124-7737 is a Pin-Rivet, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-124-7737 has 7 manufacturer part numbers on file: HL21PB-5-6 (Leonardo Spa Helicopters Division - Production Site), HL21PB-5-6 (Tecno Trade S.r.l.), HL21PB-5-6 (Sps Technologies, Llc Dba PB Fasteners), HL21PB-5-6 (Huck International, Inc), HL21PB-5-6 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 2 more.
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.