The Pin-Rivet, cataloged under National Stock Number 5320-01-392-0641, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-392-0641 |
| Primary Part Number | S4931920-8-11 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | West Coast Aerospace, 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 | 1.0725 INCHES MINIMUM AND 1.0925 INCHES MAXIMUM IN |
| 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 | 0.6825 INCHES MINIMUM AND 0.6925 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Shear Strength | 95000 SINGLE 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 |
|---|---|
| S4931920-8-11 PRIMARY | West Coast Aerospace, Inc. (USA) |
| S4931920-8-11 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| S4931920-8-11 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| S4931920-8-11 PRIMARY | Hi-Shear Corporation (USA) |
| S4931920-8-11 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| S4931920-8-11 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| S4931920-8-11 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| S4931920-8-11 | 3/2 Design control — primary reference U.S. Government activity |
| S4931920-8-11 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-392-0641 is a Pin-Rivet, manufactured by West Coast Aerospace, Inc., classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-392-0641 has 7 manufacturer part numbers on file: S4931920-8-11 (West Coast Aerospace, Inc.), S4931920-8-11 (Howmet Global Fastening Systems Inc), S4931920-8-11 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), S4931920-8-11 (Hi-Shear Corporation), S4931920-8-11 (Sps Technologies, Llc Dba PB Fasteners) and 2 more.
Key specifications for S4931920-8-11: 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: 1.0725 INCHES MINIMUM AND 1.0925 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.