The Pin-Rivet, cataloged under National Stock Number 5320-01-526-4045, 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 15 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-526-4045 |
| Primary Part Number | HLT633YB-12-21 |
| 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 |
|---|---|
| HLT633YB-12-21 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT633YB-12-21 PRIMARY | Hi-Shear Corporation (USA) |
| HLT633YB-12-21 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT633YB-12-21 PRIMARY | Huck International, Inc (USA) |
| HLT633YC-12-21 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT633YC-12-21 PRIMARY | Hi-Shear Corporation (USA) |
| HLT633YC-12-21 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| ST3M760D6-21 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HLT633YC-12-21 PRIMARY | Huck International, Inc (USA) |
| HLT633YB-12-21 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT633YB-12-21 | West Coast Aerospace, Inc. (USA) |
| ST3M760D6-21 PRIMARY | The Boeing Company Div Defense (USA) |
| HLT633YC-12-21 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT633YC-12-21 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT633YC-12-21 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HLT633YB-12-21 | 5/9 Secondary reference Sps Technologies Inc |
| HLT633YC-12-21 | 5/9 Secondary reference Sps Technologies Inc |
| HLT633YC-12-21 | 3/2 Design control — primary reference U.S. Government activity |
| HLT633YB-12-21 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-526-4045 is a Pin-Rivet, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-526-4045 has 15 manufacturer part numbers on file: HLT633YB-12-21 (Sps Technologies, Llc Dba PB Fasteners), HLT633YB-12-21 (Hi-Shear Corporation), HLT633YB-12-21 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT633YB-12-21 (Huck International, Inc), HLT633YC-12-21 (Sps Technologies Ltd, Tj Brooks Division) and 10 more.
Key specifications for HLT633YB-12-21: End Item Identification: FIGHTER, AIRCRAFT-FIRST. 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.