The Pin-Rivet, cataloged under National Stock Number 5320-01-391-6151, 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 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-391-6151 |
| Primary Part Number | S4931919-14-26 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.4370 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.097 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Fastener Length | 2.250 INCHES MINIMUM AND 2.270 INCHES MAXIMUM IN |
| Head Style | COUNTERSUNK W/REVERSE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.437 INCHES IN |
| Grip Length | 1.620 INCHES MINIMUM AND 1.630 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Minimum Tensile Strength | 16000 POUNDS PER SQUARE INCH LBS |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Shear Strength | 95000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.667 INCHES MINIMUM AND 0.672 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 |
|---|---|
| S4931919-14-26 PRIMARY | Huck International, Inc (USA) |
| S4931919-14-26 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| S4931919-14-26 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| S4931919-14-26 PRIMARY | Hi-Shear Corporation (USA) |
| S4931919-14-26 PRIMARY | West Coast Aerospace, Inc. (USA) |
| S4931919-14-26 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| S4931919-14-26 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| S4931919-14-26 | 5/9 Secondary reference U.S. Government activity |
| S4931919-14-26 | 5/2 Secondary reference U.S. Government activity |
| S4931919-14-26 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-391-6151 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-391-6151 has 7 manufacturer part numbers on file: S4931919-14-26 (Huck International, Inc), S4931919-14-26 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), S4931919-14-26 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), S4931919-14-26 (Hi-Shear Corporation), S4931919-14-26 (West Coast Aerospace, Inc.) and 2 more.
Key specifications for S4931919-14-26: Shank Diameter: 0.4370 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.097 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Fastener Length: 2.250 INCHES MINIMUM AND 2.270 INCHES MAXIMUM IN. 16 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.