The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-408-9671, 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 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-408-9671 |
| Primary Part Number | HL77-8TW |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Identification Code Color | BRONZE AND BLUE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Collar Inside Diameter | 0.252 INCHES MINIMUM AND 0.261 INCHES MAXIMUM IN |
| Collar Overall Height | 0.572 INCHES NOMINAL IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.408 INCHES MINIMUM AND 0.412 INCHES MAXIMUM IN |
| Heat Treatment | T-6 SOLUTION HEAT TREATED OVERALL |
| Material Document and Classification | QQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/5 FED SPEC 2ND MATERIAL RESPONSE WASHER |
| Material Document and Classification | QQ-A-430 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC 2ND MATERIAL RESPONSE COLLAR |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Specification/standard Data | 73197-HL77 MANUFACTURERS STANDARD |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3B |
| Material | ALUMINUM ALLOY 2024 BODY |
| Material | ALUMINUM ALLOY 5052 OR 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 |
|---|---|
| HL77-8TW PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL77-8TW PRIMARY | Hi-Shear Corporation (USA) |
| HL77-8TW | Huck International, Inc (USA) |
| HL77-8TW | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| HL77-8TW | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL77-8TW | West Coast Aerospace, Inc. (USA) |
| HL77-8TW | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| HL77-8TW | 5/9 Secondary reference U.S. Government activity |
| HL77-8TW | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-408-9671 is a Collar,pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-408-9671 has 7 manufacturer part numbers on file: HL77-8TW (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL77-8TW (Hi-Shear Corporation), HL77-8TW (Huck International, Inc), HL77-8TW (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), HL77-8TW (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 2 more.
Key specifications for HL77-8TW: Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Identification Code Color: BRONZE AND BLUE; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Collar Inside Diameter: 0.252 INCHES MINIMUM AND 0.261 INCHES MAXIMUM IN. 18 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.