The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-284-0879, 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 17 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5320-01-284-0879 |
| Primary Part Number | HL77-5DADW |
| 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 BODY |
| Collar Inside Diameter | 0.166 INCHES MINIMUM AND 0.173 INCHES MAXIMUM IN |
| Collar Overall Height | 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.288 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN |
| Heat Treatment | T-6 SOLUTION HEAT TREATED COLLAR |
| Heat Treatment | T-6 SOLUTION HEAT TREATED WASHER |
| Material Document and Classification | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE COLLAR |
| Material Document and Classification | QQ-A-250/4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/5 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/8 FED SPEC 2ND MATERIAL RESPONSE WASHER |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Surface Treatment | ANODIZE COLLAR |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | ALUMINUM ALLOY 2024 BODY |
| Material | ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 5052 WASHER |
| Thread Series Designator | UNJC |
| 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 |
|---|---|
| HL77-5DADW PRIMARY | Hi-Shear Corporation (USA) |
| HL77-5DADW | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL77-5DADW PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| HL77-5DADW | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-284-0879 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-284-0879 has 3 manufacturer part numbers on file: HL77-5DADW (Hi-Shear Corporation), HL77-5DADW (Sps Technologies, Llc Dba PB Fasteners), HL77-5DADW (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc).
Key specifications for HL77-5DADW: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY; Collar Inside Diameter: 0.166 INCHES MINIMUM AND 0.173 INCHES MAXIMUM IN; Collar Overall Height: 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN; Collar Style: THREADED (BREAK OFF) TYPE. 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.