The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-178-8423, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-178-8423 |
| Primary Part Number | HL89DU-8ADW |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Lubrication | SOLID FILM |
| Collar Inside Diameter | 0.270 INCHES NOMINAL IN |
| Collar Overall Height | 0.540 INCHES NOMINAL IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE COLLAR |
| 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 |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 630 OR STEEL COMP 631 OR STEEL COMP 632 WASHER |
| Material | STEEL COMP 630 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 |
|---|---|
| HL89DU-8ADW | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| HL89DU-8ADW | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL89DU-8ADW PRIMARY | Hi-Shear Corporation (USA) |
| HL89DU-8ADW | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL89DU-8ADW | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL89DU-8ADW | West Coast Aerospace, Inc. (USA) |
| HL89DU-8ADW | Howmet Global Fastening Systems Inc (USA) |
| HL89DU-8ADW | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| HL89DU-8ADW | 5/9 Secondary reference U.S. Government activity |
| HL89DU-8ADW | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-178-8423 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-178-8423 has 8 manufacturer part numbers on file: HL89DU-8ADW (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), HL89DU-8ADW (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL89DU-8ADW (Hi-Shear Corporation), HL89DU-8ADW (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL89DU-8ADW (Sps Technologies, Llc Dba PB Fasteners) and 3 more.
Key specifications for HL89DU-8ADW: Lubrication: SOLID FILM; Collar Inside Diameter: 0.270 INCHES NOMINAL IN; Collar Overall Height: 0.540 INCHES NOMINAL IN; Collar Style: THREADED (BREAK OFF) TYPE. 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.