The Bolt,shear, cataloged under National Stock Number 5306-01-261-1871, 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20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5306-01-261-1871 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Extended Washer Thickness | 0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN |
| Head Height | 0.798 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN |
| Fastener Length | 3.069 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 1.428 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN |
| Thread Length | 1.194 INCHES NOMINAL IN |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.8750 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS634 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM IN |
| Width Between Flats | 0.934 INCHES MINIMUM AND 0.943 INCHES MAXIMUM IN |
| Grip Diameter | 0.8730 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 14 |
| Material | STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 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 |
|---|---|
| NAS634-30 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-261-1871 is a Bolt,shear, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-261-1871: Extended Washer Thickness: 0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN; Head Height: 0.798 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN; Fastener Length: 3.069 INCHES NOMINAL IN; Surface Treatment Document and Classification: NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 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.