The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-221-3071, 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 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-221-3071 |
| Primary Part Number | HL75DU-8ADW |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 1, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE BODY |
| Collar Inside Diameter | 0.333 INCHES NOMINAL IN |
| Collar Overall Height | 0.522 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5643 ASSN STD 1ST MATERIAL RESPONSE OR AMS5528 ASSN STD 2ND MATERIAL RESPONSE OR AMS5520 ASSN STD 3RD MATERIAL RESPONSE WASHER |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE COLLAR |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Surface Treatment | CADMIUM COLLAR |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 630 OR STEEL COMP 631 OR STEEL COMP 632 WASHER |
| Material | STEEL COMP 303SE BODY |
| 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 |
|---|---|
| HL75DU-8ADW | Huck International, Inc (USA) |
| HL75DU-8ADW PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL75DU-8ADW PRIMARY | Hi-Shear Corporation (USA) |
| HL75DU-8ADW | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL75DU-8ADW | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL75DU-8ADW | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HL75DU-8ADW | 5/9 Secondary reference U.S. Government activity |
| HL75DU-8ADW | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-221-3071 is a Collar,pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-221-3071 has 6 manufacturer part numbers on file: HL75DU-8ADW (Huck International, Inc), HL75DU-8ADW (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL75DU-8ADW (Hi-Shear Corporation), HL75DU-8ADW (Sps Technologies, Llc Dba PB Fasteners), HL75DU-8ADW (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 1 more.
Key specifications for HL75DU-8ADW: Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM; Surface Treatment Document and Classification: QQ-P-416, TYPE 1, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE BODY; Collar Inside Diameter: 0.333 INCHES NOMINAL IN; Collar Overall Height: 0.522 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN. 16 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.