The Bolt,shear, cataloged under National Stock Number 5306-01-421-9549, 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20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-421-9549 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN |
| Fastener Length | 0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 2, CLASS 2 FED SPEC ALL TREATMENT RESPONSES FASTENER |
| Thread Length | 0.454 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR CAMS 6322 ASSN STD 2ND MATERIAL RESPONSE FASTENER |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS6206 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Width Between Flats | 0.554 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN |
| Grip Diameter | 0.3729 INCHES MINIMUM AND 0.3735 INCHES MAXIMUM IN |
| Locking Feature | PATCH OR STRIP THREADS |
| Surface Treatment | CADMIUM AND CHROMATE FASTENER |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| Material | STEEL COMP 4340 OR STEEL COMP 8740 FASTENER |
| 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 |
|---|---|
| NAS6206L2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-421-9549 is a Bolt,shear, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-421-9549: Head Height: 0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN; Fastener Length: 0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416, TYPE 2, CLASS 2 FED SPEC ALL TREATMENT RESPONSES FASTENER; Thread Length: 0.454 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.