The Pin-Rivet, cataloged under National Stock Number 5320-01-439-4758, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-439-4758 |
| Primary Part Number | HLT50YB-8-17 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM |
| Head Height | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| Fastener Length | 1.458 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 1.062 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.367 INCHES MINIMUM AND 0.412 INCHES MAXIMUM IN |
| 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-8-17 PRIMARY | Hi-Shear Corporation (USA) |
| HLT50YB-8-17 | West Coast Aerospace, Inc. (USA) |
| HLT50YB-8-17 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT50YB-8-17 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT50YB-8-17 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT50YB-8-17 | Howmet Global Fastening Systems Inc (USA) |
| HLT50YB-8-17 | Huck International, Inc (USA) |
| HP4759-4-17 | Heartland Precision Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| HLT50YB-8-17 | 5/9 Secondary reference U.S. Government activity |
| ST3M759C4-17 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5320-01-439-4758 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-439-4758 has 8 manufacturer part numbers on file: HLT50YB-8-17 (Hi-Shear Corporation), HLT50YB-8-17 (West Coast Aerospace, Inc.), HLT50YB-8-17 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT50YB-8-17 (Sps Technologies, Llc Dba PB Fasteners), HLT50YB-8-17 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 3 more.
Key specifications for HLT50YB-8-17: Shank Diameter: 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM; Head Height: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN; Fastener Length: 1.458 INCHES NOMINAL IN. 14 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.