The Pin-Rivet, cataloged under National Stock Number 5320-01-591-3074, 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 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-591-3074 |
| Primary Part Number | HL844-12-20 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.404 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM |
| Head Height | 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN |
| Fastener Length | 1.785 INCHES MINIMUM AND 1.805 INCHES MAXIMUM IN |
| Head Style | STRAIGHT PAN |
| Nominal Thread Size | 0.375 INCHES IN |
| Grip Length | 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN |
| Width Between Flats | 0.158 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.565 INCHES MINIMUM AND 0.600 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 |
|---|---|
| HL844-12-20 | Huck International, Inc (USA) |
| HL844-12-20 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL844-12-20 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| HL844-12-20 PRIMARY | Hi-Shear Corporation (USA) |
| HL844-12-20 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL844-12-20 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| HL844-12-20 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-591-3074 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-591-3074 has 6 manufacturer part numbers on file: HL844-12-20 (Huck International, Inc), HL844-12-20 (Sps Technologies, Llc Dba PB Fasteners), HL844-12-20 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), HL844-12-20 (Hi-Shear Corporation), HL844-12-20 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 1 more.
Key specifications for HL844-12-20: Shank Diameter: 0.404 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN; Lubrication: SOLID FILM; Head Height: 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN; Fastener Length: 1.785 INCHES MINIMUM AND 1.805 INCHES MAXIMUM 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.