The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-083-6880, 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 16 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-083-6880 |
| Primary Part Number | HL1285TW8 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| 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 Inside Diameter | 0.2680 INCHES MINIMUM AND 0.2720 INCHES MAXIMUM IN |
| Collar Overall Height | 0.5450 INCHES MINIMUM AND 0.5750 INCHES MAXIMUM IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.4650 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/5 FED SPEC 2ND MATERIAL RESPONSE WASHER |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.2500 INCHES IN |
| Surface Treatment | ANODIZE WASHER |
| Surface Treatment | CADMIUM AND CHROMATE COLLAR |
| Thread Class | A3B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL BODY |
| Material | ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 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 |
|---|---|
| HL1285TW8 PRIMARY | Hi-Shear Corporation (USA) |
| HL1285TW8 | Huck International, Inc (USA) |
| HL1285TW8 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL1285TW8 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL1285TW8 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HL1285TW8 | 5/2 Secondary reference U.S. Government activity |
| HL1285TW8 | 5/9 Secondary reference U.S. Government activity |
| HL1285TW8 | 5/9 Secondary reference Bellows and Co |
NSN 5320-01-083-6880 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-083-6880 has 5 manufacturer part numbers on file: HL1285TW8 (Hi-Shear Corporation), HL1285TW8 (Huck International, Inc), HL1285TW8 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL1285TW8 (Sps Technologies, Llc Dba PB Fasteners), HL1285TW8 (West Coast Aerospace, Inc.).
Key specifications for HL1285TW8: 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 Inside Diameter: 0.2680 INCHES MINIMUM AND 0.2720 INCHES MAXIMUM IN; Collar Overall Height: 0.5450 INCHES MINIMUM AND 0.5750 INCHES MAXIMUM IN. 16 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.