The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-623-0156, 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 13 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5320-01-623-0156 |
| Primary Part Number | HL73DU-12 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Lubrication | SOLID FILM |
| Collar Inside Diameter | 0.376 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN |
| Collar Overall Height | 0.724 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.622 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN |
| Heat Treatment | H-1025 STRAIN HARDENED OVERALL |
| Material Document and Classification | AMS 5643 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 630 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| HL73DU-12 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL73DU-12 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL73DU-12 PRIMARY | Hi-Shear Corporation (USA) |
| HL73DU-12 | Huck International, Inc (USA) |
| HL73DU-12 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HL73DU-12 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-623-0156 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-623-0156 has 5 manufacturer part numbers on file: HL73DU-12 (Sps Technologies, Llc Dba PB Fasteners), HL73DU-12 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL73DU-12 (Hi-Shear Corporation), HL73DU-12 (Huck International, Inc), HL73DU-12 (West Coast Aerospace, Inc.).
Key specifications for HL73DU-12: Lubrication: SOLID FILM; Collar Inside Diameter: 0.376 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN; Collar Overall Height: 0.724 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN; Collar Style: THREADED (BREAK OFF) TYPE. 13 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.