The Pin-Rivet, cataloged under National Stock Number 5320-01-331-7679, 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 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-331-7679 |
| Primary Part Number | LS35271S10-64 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.068 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN |
| Fastener Length | 2.398 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Grip Length | 1.984 INCHES MAXIMUM IN |
| Width Between Flats | 0.1270 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Shear Strength | 108000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.475 INCHES MINIMUM AND 0.505 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 |
|---|---|
| LS35271S10-64 PRIMARY | Hi-Shear Corporation (USA) |
| LS35271S10-64 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| LS35271S10-64 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| LS35271S10-64 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| LS35271S10-64 | West Coast Aerospace, Inc. (USA) |
| LS35271S10-64 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| LS35271S10-64 | 5/2 Secondary reference U.S. Government activity |
| LS35271S10-64 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5320-01-331-7679 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-331-7679 has 6 manufacturer part numbers on file: LS35271S10-64 (Hi-Shear Corporation), LS35271S10-64 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), LS35271S10-64 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), LS35271S10-64 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), LS35271S10-64 (West Coast Aerospace, Inc.) and 1 more.
Key specifications for LS35271S10-64: Shank Diameter: 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.068 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN; Fastener Length: 2.398 INCHES MAXIMUM IN. 19 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.