The Collar,pin-Rivet, cataloged under National Stock Number 5320-00-286-0663, 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-00-286-0663 |
| Primary Part Number | HL570-12MC |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Lubrication | CETYL ALCOHOL |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Collar Inside Diameter | 0.387 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN |
| Collar Overall Height | 0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.622 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN |
| Heat Treatment | T-6 SOLUTION HEAT TREATED OVERALL |
| 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 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| ST3M525N6M | The Boeing Company Div Defense (USA) |
| HL570-12MC | Howmet Global Fastening Systems Inc (USA) |
| HL570-12MC | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| HL570-12MC PRIMARY | Hi-Shear Corporation (USA) |
| HL570-12MC | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL570-12MC | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| 10123580 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| HL570-12MC | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| HL570-12MC | 5/9 Secondary reference U.S. Government activity |
| HL570-12MC | 5/9 Secondary reference U.S. Government activity |
| ST3M525N6ME | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HL570-12MC | 5/9 Secondary reference Sps Technologies Inc |
NSN 5320-00-286-0663 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-286-0663 has 6 manufacturer part numbers on file: ST3M525N6M (The Boeing Company Div Defense), HL570-12MC (Howmet Global Fastening Systems Inc), HL570-12MC (Fairchild Fasteners Europe - Vsd Gmbh), HL570-12MC (Hi-Shear Corporation), HL570-12MC (Sps Technologies, Llc Dba PB Fasteners) and 1 more.
Key specifications for HL570-12MC: Lubrication: CETYL ALCOHOL; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Collar Inside Diameter: 0.387 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN; Collar Overall Height: 0.640 INCHES MINIMUM AND 0.660 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.