The Bolt,shear, cataloged under National Stock Number 5306-01-643-2333, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-643-2333 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Surface Finish | 125.0 MICROINCHES THREADS |
| Extended Washer Thickness | 0.178 INCHES NOMINAL IN |
| Head Height | 0.711 INCHES NOMINAL IN |
| Fastener Length | 5.556 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE II,CLASS 2 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN |
| Thread Length | 1.036 INCHES MINIMUM IN |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-5826(AISI 4140) GOVERNMENT STD/SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000(AISI 4340) GOVERNMENT STD/SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049(AISI 8740) GOVERNMENT STD/SPEC 3RD MATERIAL RESPONSE OR MIL-S-8503(AISI 6150) GOVERNMENT STD/SPEC 4TH MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.7500 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS-21250 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 4.49 INCHES MINIMUM AND 4.51 INCHES MAXIMUM IN |
| Width Between Flats | 0.8125 INCHES NOMINAL IN |
| Grip Diameter | 0.7480 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 6150 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MS21250-12072 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-643-2333 is a Bolt,shear, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-643-2333: Surface Finish: 125.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Surface Finish: 125.0 MICROINCHES THREADS; Extended Washer Thickness: 0.178 INCHES NOMINAL IN. 24 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.