The Pin-Rivet, cataloged under National Stock Number 5320-01-333-4576, 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 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-333-4576 |
| Primary Part Number | HLT644-8-11 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Head Height | 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Fastener Length | 1.073 INCHES MINIMUM AND 1.093 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | SPEC,258,CAGEC 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.683 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 201000 POUNDS PER SQUARE INCH LBS |
| Shear Strength | 117000 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 | 0.415 INCHES MINIMUM AND 0.440 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 |
|---|---|
| HLT644-8-11 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT644-8-11 PRIMARY | Hi-Shear Corporation (USA) |
| HLT644-8-11 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT644-8-11 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT644-8-11 | West Coast Aerospace, Inc. (USA) |
| HLT644-8-11 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| HLT644-8-11 | 5/2 Secondary reference U.S. Government activity |
| HLT644-8-11 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-333-4576 is a Pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-333-4576 has 6 manufacturer part numbers on file: HLT644-8-11 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT644-8-11 (Hi-Shear Corporation), HLT644-8-11 (Sps Technologies, Llc Dba PB Fasteners), HLT644-8-11 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT644-8-11 (West Coast Aerospace, Inc.) and 1 more.
Key specifications for HLT644-8-11: Shank Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Head Height: 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Fastener Length: 1.073 INCHES MINIMUM AND 1.093 INCHES MAXIMUM IN. 19 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.