The Pin-Rivet, cataloged under National Stock Number 5320-01-459-4591, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-459-4591 |
| Primary Part Number | S4931920C8-18 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Fastener Length | 1.511 INCHES MINIMUM AND 1.531 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | PER HI-SHEAR SPEC NO. 294 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 1.120 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | ALUMINUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Shear Strength | 95000 DOUBLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.415 INCHES MINIMUM AND 0.440 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 |
|---|---|
| S4931920C8-18 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| S4931920C8-18 | Huck International, Inc (USA) |
| S4931920C8-18 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| S4931920C8-18 PRIMARY | Hi-Shear Corporation (USA) |
| S4931920C8-18 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| S4931920C8-18 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| S4931920C8-18 | 5/2 Secondary reference U.S. Government activity |
| S4931920C8-18 | 5/9 Secondary reference U.S. Government activity |
| S4931920C8-18 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
NSN 5320-01-459-4591 is a Pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-459-4591 has 6 manufacturer part numbers on file: S4931920C8-18 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), S4931920C8-18 (Huck International, Inc), S4931920C8-18 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), S4931920C8-18 (Hi-Shear Corporation), S4931920C8-18 (Sps Technologies, Llc Dba PB Fasteners) and 1 more.
Key specifications for S4931920C8-18: Shank Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Fastener Length: 1.511 INCHES MINIMUM AND 1.531 INCHES MAXIMUM IN. 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.