The Pin-Rivet, cataloged under National Stock Number 5320-01-326-2071, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 13 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-326-2071 |
| Primary Part Number | S4931920C8-6 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Head Height | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Fastener Length | 1.065 INCHES MINIMUM AND 1.075 INCHES MAXIMUM IN |
| Tip Diameter | 0.241 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, TAPERED, THREADED |
| Thread Class | 3A A |
| 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 |
|---|---|
| S4931920C8-6 PRIMARY | Hi-Shear Corporation (USA) |
| S4931920C8-6 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| S4931920C8-6 PRIMARY | Huck International, Inc (USA) |
| S4931920C8-6 PRIMARY | West Coast Aerospace, Inc. (USA) |
| S4931920C8-6 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| S4931920C8-6 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| S4931920-8-6 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| S4931920-8-6 | 5/9 Secondary reference U.S. Government activity |
| S4931920-8-6 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| S4931920C8-6 | 5/2 Secondary reference U.S. Government activity |
| S4931920-8-6 | 5/9 Secondary reference Huck International, Inc |
NSN 5320-01-326-2071 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-326-2071 has 6 manufacturer part numbers on file: S4931920C8-6 (Hi-Shear Corporation), S4931920C8-6 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), S4931920C8-6 (Huck International, Inc), S4931920C8-6 (West Coast Aerospace, Inc.), S4931920C8-6 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 1 more.
Key specifications for S4931920C8-6: Shank Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Head Height: 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Fastener Length: 1.065 INCHES MINIMUM AND 1.075 INCHES MAXIMUM IN; Tip Diameter: 0.241 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN. 13 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.