The Pin-Rivet, cataloged under National Stock Number 5320-01-075-9401, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-075-9401 |
| Primary Part Number | HL645-8-8 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Shank Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM |
| Fastener Length | 0.885 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.3898 INCHES MINIMUM AND 0.3948 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 |
|---|---|
| HL645-8-8 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| HL645-8-8 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL645-8-8 | Huck International, Inc (USA) |
| HL645-8-8 PRIMARY | Hi-Shear Corporation (USA) |
| HL645-8-8 | West Coast Aerospace, Inc. (USA) |
| HL645-8-8 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL645-8-8 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| HL645-8-8 | 5/9 Secondary reference U.S. Government activity |
| HL645-8-8 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-075-9401 is a Pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-075-9401 has 7 manufacturer part numbers on file: HL645-8-8 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), HL645-8-8 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL645-8-8 (Huck International, Inc), HL645-8-8 (Hi-Shear Corporation), HL645-8-8 (West Coast Aerospace, Inc.) and 2 more.
Key specifications for HL645-8-8: Shank Diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Lubrication: SOLID FILM; Fastener Length: 0.885 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN; Material Document and Classification: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 17 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.