The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-526-6579, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-526-6579 |
| Primary Part Number | 3M1143-6 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Surface Treatment Document and Classification | AMS-A-8625 ASSN STD 1ST TREATMENT RESPONSE OVERALL |
| Collar Inside Diameter | 0.392 INCHES MINIMUM AND 0.398 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 | 0.714 INCHES MINIMUM AND 0.720 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 OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | ALUMINUM ALLOY 2024 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 |
NSN 5320-01-526-6579 is a Collar,pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-526-6579 has 4 manufacturer part numbers on file: 3M1143-6 (The Boeing Company Div Defense), HL384-12 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL384-12 (Hi-Shear Corporation), HL384-12 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for 3M1143-6: Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Surface Treatment Document and Classification: AMS-A-8625 ASSN STD 1ST TREATMENT RESPONSE OVERALL; Collar Inside Diameter: 0.392 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN; Collar Overall Height: 0.724 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN. 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.