The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-127-1576, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-127-1576 |
| Primary Part Number | HL1285MRW-8 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Lubrication | DRY FILM AND CETYL ALCOHOL |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE WASHER |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE BODY |
| Collar Overall Height | 0.360 INCHES NOMINAL IN |
| Collar Outside Diameter | 0.465 INCHES NOMINAL IN |
| Heat Treatment | T-6 SOLUTION HEAT TREATED WASHER |
| Hardness Rating | 46.0 ROCKWELL C MAXIMUM COLLAR |
| Material Document and Classification | QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE WASHER |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Surface Treatment | ANODIZE WASHER |
| Surface Treatment | CADMIUM AND CHROMATE COLLAR |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL BODY |
| Material | ALUMINUM ALLOY 2024 WASHER |
| 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 |
|---|---|
| HL1285MRW-8 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL1285MRW-8 PRIMARY | Hi-Shear Corporation (USA) |
| KFN689-4 | Howmet Global Fastening Systems Inc (USA) |
| HL1285MWR-8 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| HL1285MTW-8 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 80649-428 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL1285MWR-8 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| HL1285MRW-8 | 5/9 Secondary reference Huck International, Inc |
| HL1285MTW-8 | 5/9 Secondary reference Hi-Shear Corporation |
| HL1285MRW-8 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HL1285MTW-8 | 5/9 Secondary reference U.S. Government activity |
| HL1285MRW-8 | 5/9 Secondary reference West Coast Aerospace, Inc. |
| C9597-2-8 | 7/2 Vendor item drawing reference U.S. Government activity |
| SPL51857D4 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| 5320PL1772142 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5320PL0748366 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| HL1285MTW-8 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-127-1576 is a Collar,pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-127-1576 has 7 manufacturer part numbers on file: HL1285MRW-8 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL1285MRW-8 (Hi-Shear Corporation), KFN689-4 (Howmet Global Fastening Systems Inc), HL1285MWR-8 (Howmet Global Fastening Systems Inc), HL1285MTW-8 (Sps Technologies, Llc Dba PB Fasteners) and 2 more.
Key specifications for HL1285MRW-8: Lubrication: DRY FILM AND CETYL ALCOHOL; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE WASHER; Surface Treatment Document and Classification: QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE BODY; Collar Overall Height: 0.360 INCHES NOMINAL IN. 17 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.