The Collar,pin-Rivet, cataloged under National Stock Number 5320-00-178-8675, 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 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-00-178-8675 |
| Primary Part Number | HL683-8A |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Lubrication | CETYL ALCOHOL |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Collar Inside Diameter | 0.268 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN |
| Collar Overall Height | 0.582 INCHES MINIMUM AND 0.612 INCHES MAXIMUM IN |
| Collar Style | CONFIGURAL TYPE |
| Collar Outside Diameter | 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN |
| Heat Treatment | T-6 SOLUTION HEAT TREATED OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| 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 |
|---|---|
| HL683-8A PRIMARY | Hi-Shear Corporation (USA) |
| HL683-8A | Satair A/s (DNK) |
| HL683-8A | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M295-4 | The Boeing Company Div Defense (USA) |
| HL683-8A | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| HL683-8A | 5/2 Secondary reference U.S. Government activity |
| HL683-8A | 5/9 Secondary reference Sps Technologies Inc |
NSN 5320-00-178-8675 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-178-8675 has 5 manufacturer part numbers on file: HL683-8A (Hi-Shear Corporation), HL683-8A (Satair A/s), HL683-8A (Sps Technologies, Llc Dba PB Fasteners), 3M295-4 (The Boeing Company Div Defense), HL683-8A (Fairchild Fasteners Europe - Vsd Gmbh).
Key specifications for HL683-8A: Lubrication: CETYL ALCOHOL; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Collar Inside Diameter: 0.268 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN; Collar Overall Height: 0.582 INCHES MINIMUM AND 0.612 INCHES MAXIMUM IN. 14 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.