The Pin-Rivet, cataloged under National Stock Number 5320-01-734-3371, 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 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-734-3371 |
| Primary Part Number | HL41PY8-9 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Head Height | 0.610 INCHES NOMINAL OVERALL IN |
| Head Style | COUNTERSUNK W/REVERSE CHAMFER |
| Nominal Thread Size | 0.25 INCHES IN |
| Grip Length | 0.405 INCHES NOMINAL OVERALL IN |
| Minimum Tensile Strength | 3700.0 POUNDS PER SQUARE INCH LBS |
| Shear Strength | 9300 DOUBLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.412 INCHES NOMINAL OVERALL 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 |
|---|---|
| HL41PY8-9 PRIMARY | Hi-Shear Corporation (USA) |
NSN 5320-01-734-3371 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-734-3371 has 1 manufacturer part number on file: HL41PY8-9 (Hi-Shear Corporation).
Key specifications for HL41PY8-9: Head Height: 0.610 INCHES NOMINAL OVERALL IN; Head Style: COUNTERSUNK W/REVERSE CHAMFER; Nominal Thread Size: 0.25 INCHES IN; Grip Length: 0.405 INCHES NOMINAL OVERALL IN. 10 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.