The Pin-Rivet, cataloged under National Stock Number 5320-01-591-5166, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5320-01-591-5166 |
| Primary Part Number | HL845-12-12 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.405 INCHES NOMINAL IN |
| Fastener Length | 1.336 INCHES MINIMUM AND 1.356 INCHES MAXIMUM IN |
| Head Style | FLUSH COUNTERSUNK |
| Nominal Thread Size | 0.375 INCHES IN |
| Grip Length | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN |
| Width Between Flats | 0.158 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| 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 | 0.542 INCHES MINIMUM AND 0.596 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 |
|---|---|
| HL845-12-12 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL845-12-12 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HL845-12-12 PRIMARY | Hi-Shear Corporation (USA) |
| HL845-12-12 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL845-12-12 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL845-12-12 | Huck International, Inc (USA) |
| HL845-12-12 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HL845-12-12 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-591-5166 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-591-5166 has 7 manufacturer part numbers on file: HL845-12-12 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL845-12-12 (Sps Technologies Ltd, Tj Brooks Division), HL845-12-12 (Hi-Shear Corporation), HL845-12-12 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL845-12-12 (Sps Technologies, Llc Dba PB Fasteners) and 2 more.
Key specifications for HL845-12-12: Shank Diameter: 0.405 INCHES NOMINAL IN; Fastener Length: 1.336 INCHES MINIMUM AND 1.356 INCHES MAXIMUM IN; Head Style: FLUSH COUNTERSUNK; Nominal Thread Size: 0.375 INCHES 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.