The Pin-Rivet, cataloged under National Stock Number 5320-01-144-4786, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. The record lists 15 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 — Rivets (FSG 53) |
| Manufacturers | Hi-Shear Corporation (CAGE 73197); Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); West Coast Aerospace, Inc. (CAGE 60516); Sps Technologies Ltd, Tj Brooks Division (CAGE K5673); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725) |
| Parameter | Value |
|---|---|
| NSN | 5320-01-144-4786 |
| Primary Part Number | HLT50YB-6-21 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| 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 |
|---|---|
| HLT50YB-6-21 | Hi-Shear Corporation (USA) |
| HLT50YB-6-21 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT50YC-6-21 | West Coast Aerospace, Inc. (USA) |
| HLT50YC-6-21 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT50YB-6-21 | West Coast Aerospace, Inc. (USA) |
| HLT50YB-6-21 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT50YC-6-21 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT50YC-6-21 | Hi-Shear Corporation (USA) |
| HLT50YC-6-21 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT50YC-6-21 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT50YB-6-21 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| ST3M759C3-21 | Huck International, Inc (USA) |
| HP4759-3-21 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| HLT50YB-6-21 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M759C3-21 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| HLT50YC-6-21 | 5/9 Secondary reference Sps Technologies Inc |
| HLT50YB-6-21 | 5/9 Secondary reference U.S. Government activity |
| HLT50YB-6-21 | 5/2 Secondary reference U.S. Government activity |
| HLT50YB-6-21 | 5/9 Secondary reference Sps Technologies Inc |
| HLT50YC-6-21 | 5/2 Secondary reference U.S. Government activity |
| AIC-L-759C3-21 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT50TB-6-21 | 5/9 Secondary reference Hi-Shear Corporation |
| HLT50DL-6-21 | 5/9 Secondary reference U.S. Government activity |
| MA4759C3-21 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| HLT50YC-6-21 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-144-4786 is a Pin-Rivet, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-144-4786 has 15 manufacturer part numbers on file: HLT50YB-6-21 (Hi-Shear Corporation), HLT50YB-6-21 (Sps Technologies, Llc Dba PB Fasteners), HLT50YC-6-21 (West Coast Aerospace, Inc.), HLT50YC-6-21 (Sps Technologies Ltd, Tj Brooks Division), HLT50YB-6-21 (West Coast Aerospace, Inc.) and 10 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.