The Pin-Rivet, cataloged under National Stock Number 5320-01-391-2231, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is West Coast Aerospace, Inc.. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-391-2231 |
| Primary Part Number | HLT41-6-48 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | West Coast Aerospace, Inc. |
| Status | ACTIVE |
| Shank Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Fastener Length | 3.325 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | HI-SHEAR NO. 358 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS5731 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 | 0.1825 INCHES IN |
| Grip Length | 3.000 INCHES NOMINAL IN |
| Width Between Flats | 0.080 INCHES NOMINAL IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 85000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.300 INCHES NOMINAL 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 |
|---|---|
| HLT41-6-48 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HLT41-6-48 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT41-6-48 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT41-6-48 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT41-6-48 PRIMARY | Hi-Shear Corporation (USA) |
| HLT41-6-48 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| 3D0009-6-48 | 5/2 Secondary reference U.S. Government activity |
| HLT41-6-48 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-391-2231 is a Pin-Rivet, manufactured by West Coast Aerospace, Inc., classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-391-2231 has 6 manufacturer part numbers on file: HLT41-6-48 (West Coast Aerospace, Inc.), HLT41-6-48 (Sps Technologies, Llc Dba PB Fasteners), HLT41-6-48 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT41-6-48 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT41-6-48 (Hi-Shear Corporation) and 1 more.
Key specifications for HLT41-6-48: Shank Diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Fastener Length: 3.325 INCHES NOMINAL IN; Surface Treatment Document and Classification: HI-SHEAR NO. 358 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 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.