The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-667-7725, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-667-7725 |
| Primary Part Number | HL375DU-8ADW |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Lubrication | SOLID FILM |
| Collar Inside Diameter | 0.370 INCHES NOMINAL IN |
| Collar Overall Height | 0.565 INCHES NOMINAL IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5643 NATIONAL SPEC 1ST MATERIAL RESPONSE OR AMS 5528 NATIONAL SPEC 2ND MATERIAL RESPONSE OR AMS 5520 NATIONAL SPEC 3RD MATERIAL RESPONSE WASHER |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5640 NATIONAL SPEC SINGLE MATERIAL RESPONSE BODY |
| 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 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 |
|---|---|
| HL375DU-8ADW | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL375DU-8ADW | Huck International, Inc (USA) |
| HL375DU-8ADW PRIMARY | Hi-Shear Corporation (USA) |
| HL375DU-8ADW | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL375DU-8ADW | West Coast Aerospace, Inc. (USA) |
| HL375DU-8ADW | Blanc Aero Industries Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| HL375DU-8ADW | 5/2 Secondary reference U.S. Government activity |
| HL375 | D/9 Drawing number reference only Hi-Shear Corporation |
NSN 5320-01-667-7725 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-667-7725 has 6 manufacturer part numbers on file: HL375DU-8ADW (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL375DU-8ADW (Huck International, Inc), HL375DU-8ADW (Hi-Shear Corporation), HL375DU-8ADW (Sps Technologies, Llc Dba PB Fasteners), HL375DU-8ADW (West Coast Aerospace, Inc.) and 1 more.
3 possible matches (shared part number, not a government interchangeability claim): 5320-01-718-6441, 5320-01-719-6586, 5320-01-733-6806. Verify interchangeability with system specifications before substitution.
Key specifications for HL375DU-8ADW: Lubrication: SOLID FILM; Collar Inside Diameter: 0.370 INCHES NOMINAL IN; Collar Overall Height: 0.565 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.