The Bolt,shear, cataloged under National Stock Number 5306-01-581-4953, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Bolt,shear |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-581-4953 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Fastener Length | 3.653 INCHES MINIMUM AND 3.683 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | BMS 10-85, TYPE 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.573 INCHES MINIMUM AND 0.583 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Grip Diameter | 0.3731 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM OVERALL |
| Minimum Tensile Strength | 200000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | TITANIUM ALLOY 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 |
|---|---|
| BACB30MR6K44 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-581-4953 is a Bolt,shear, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-581-4953: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN. 20 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.