The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-667-3665, 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 15 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5320-01-667-3665 |
| Primary Part Number | HLT271-6AW |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| Collar Inside Diameter | 0.226 INCHES NOMINAL IN |
| Collar Overall Height | 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Features Provided | WASHER |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Surface Treatment | ANODIZE BODY |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | ALUMINUM ALLOY 2024 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 |
|---|---|
| HLT271-6AW | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT271-6AW | West Coast Aerospace, Inc. (USA) |
| HLT271-6AW PRIMARY | Hi-Shear Corporation (USA) |
| HLT271-6AW | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| HLT271-6AW | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-667-3665 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-667-3665 has 4 manufacturer part numbers on file: HLT271-6AW (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT271-6AW (West Coast Aerospace, Inc.), HLT271-6AW (Hi-Shear Corporation), HLT271-6AW (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for HLT271-6AW: Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY; Collar Inside Diameter: 0.226 INCHES NOMINAL IN; Collar Overall Height: 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. 15 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.