The Pin-Rivet, cataloged under National Stock Number 5320-01-339-4097, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-339-4097 |
| Primary Part Number | HL443UC-6-3 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.2016 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Fastener Length | 0.503 INCHES MINIMUM AND 0.523 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Grip Length | 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0806 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 95000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.2966 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM IN |
| 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 |
|---|---|
| HL443UC-6-3 PRIMARY | Huck International, Inc (USA) |
| HL443UC-6-3 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL443UC-6-3 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL443UC-6-3 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL443UC-6-3 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| HL443UC-6-3 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HL443UC-6-3 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HL443UC-6-3 | 5/9 Secondary reference U.S. Government activity |
| BACB30FQ6A3 | 7/2 Vendor item drawing reference U.S. Government activity |
| HL443UC-6-3 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5320-01-339-4097 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-339-4097 has 7 manufacturer part numbers on file: HL443UC-6-3 (Huck International, Inc), HL443UC-6-3 (Sps Technologies, Llc Dba PB Fasteners), HL443UC-6-3 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL443UC-6-3 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL443UC-6-3 (Heartland Precision Fasteners Inc) and 2 more.
Key specifications for HL443UC-6-3: Shank Diameter: 0.2016 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Fastener Length: 0.503 INCHES MINIMUM AND 0.523 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 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.