The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-166-6911, 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 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-166-6911 |
| Primary Part Number | HL77-6TW |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Identification Code Color | BROWN |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Collar Inside Diameter | 0.192 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Collar Overall Height | 0.437 INCHES MINIMUM AND 0.457 INCHES MAXIMUM IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.303 INCHES MINIMUM AND 0.307 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 |
| Features Provided | WASHER |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| 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 |
|---|---|
| HL77-6TW PRIMARY | Hi-Shear Corporation (USA) |
| HL77-6TW PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL77-6TW | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL77-6TW | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| HL77-6TW | 5/2 Secondary reference U.S. Government activity |
| HL77-6TW | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-166-6911 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-166-6911 has 4 manufacturer part numbers on file: HL77-6TW (Hi-Shear Corporation), HL77-6TW (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL77-6TW (Sps Technologies, Llc Dba PB Fasteners), HL77-6TW (Huck International, Inc).
Key specifications for HL77-6TW: Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Identification Code Color: BROWN; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Collar Inside Diameter: 0.192 INCHES MINIMUM AND 0.200 INCHES MAXIMUM 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.