The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-273-1678, 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 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-273-1678 |
| Primary Part Number | HLT394DU-6 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Lubrication | SOLID FILM |
| Collar Inside Diameter | 0.231 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN |
| Collar Overall Height | 0.535 INCHES MINIMUM AND 0.555 INCHES MAXIMUM IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.365 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303SE 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 |
|---|---|
| GN512KE3 | Huck International, Inc (USA) |
| HLT394DU-6 PRIMARY | Hi-Shear Corporation (USA) |
| HLT394DU-6 | Howmet Global Fastening Systems Inc (USA) |
| HLT394DU-6 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT394DU-6 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| GN512KE3 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| GN512KE3 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HLT394DU-6 | 5/9 Secondary reference U.S. Government activity |
| GN512KE3 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5320-01-273-1678 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-273-1678 has 7 manufacturer part numbers on file: GN512KE3 (Huck International, Inc), HLT394DU-6 (Hi-Shear Corporation), HLT394DU-6 (Howmet Global Fastening Systems Inc), HLT394DU-6 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT394DU-6 (Sps Technologies, Llc Dba PB Fasteners) and 2 more.
Key specifications for HLT394DU-6: Lubrication: SOLID FILM; Collar Inside Diameter: 0.231 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN; Collar Overall Height: 0.535 INCHES MINIMUM AND 0.555 INCHES MAXIMUM IN; Collar Style: THREADED (BREAK OFF) TYPE. 12 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.