The Bolt,shear, cataloged under National Stock Number 5306-01-421-8712, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-421-8712 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Extended Washer Thickness | 0.091 INCHES NOMINAL IN |
| Head Height | 0.388 INCHES NOMINAL IN |
| Fastener Length | 2.479 INCHES MINIMUM AND 2.509 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.644 INCHES NOMINAL IN |
| Thread Length | 0.644 INCHES MINIMUM AND 0.694 INCHES MAXIMUM IN |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | DOUBLE HEXAGON LONGITUDINAL HOLE |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS626 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | B1.865 NEWTONS PER SQUARE CENTIMETER NOMINAL AND 1.885 INCHES MAXIMUM IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Grip Diameter | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP E4340 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 6150 OR STEEL COMP 4140 OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 1.240 INCHES MINIMUM AND 1.260 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 |
| Reference | Meaning |
|---|---|
| NAS626H30 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-421-8712 is a Bolt,shear, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-421-8712: Extended Washer Thickness: 0.091 INCHES NOMINAL IN; Head Height: 0.388 INCHES NOMINAL IN; Fastener Length: 2.479 INCHES MINIMUM AND 2.509 INCHES MAXIMUM IN; Extended Washer Diameter: 0.644 INCHES NOMINAL IN. 23 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.