The Pin-Rivet, cataloged under National Stock Number 5320-01-391-2235, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-391-2235 |
| Primary Part Number | HLT41-8-4 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Fastener Length | 0.645 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | HI-SHEAR NO. 358 MFR REF 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 | 0.2425 INCHES IN |
| Grip Length | 0.250 INCHES NOMINAL IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM 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 | 0.3898 INCHES MINIMUM AND 0.3948 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 |
|---|---|
| HLT41-8-4 PRIMARY | Huck International, Inc (USA) |
| HLT41-8-4 PRIMARY | Hi-Shear Corporation (USA) |
| HLT41-8-4 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HLT41-8-4 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT41-8-4 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT41-8-4 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| HLT41-8-4 | 3/2 Design control — primary reference U.S. Government activity |
| 3D0009-8-4 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-391-2235 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-391-2235 has 6 manufacturer part numbers on file: HLT41-8-4 (Huck International, Inc), HLT41-8-4 (Hi-Shear Corporation), HLT41-8-4 (West Coast Aerospace, Inc.), HLT41-8-4 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT41-8-4 (Sps Technologies, Llc Dba PB Fasteners) and 1 more.
Key specifications for HLT41-8-4: Shank Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Fastener Length: 0.645 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.