The Bolt,shear, cataloged under National Stock Number 5306-01-207-5929, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Mac Fasteners, Inc. Dba Mac Fasteners Inc. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-207-5929 |
| Primary Part Number | NAS6205-31D |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Mac Fasteners, Inc. Dba Mac Fasteners Inc |
| 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 | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| Fastener Length | 2.361 INCHES MINIMUM AND 2.391 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment Document and Classification | QQ-C-320 CL 2 FED SPEC SINGLE TREATMENT RESPONSE THREADS |
| Thread Length | 0.438 INCHES NOMINAL IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS6205 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 1.928 INCHES MINIMUM AND 1.948 INCHES MAXIMUM IN |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Grip Diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Surface Treatment | CHROMATE THREADS |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP E4340 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.189 INCHES MINIMUM AND 2.199 INCHES MAXIMUM FIRST HOLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| NAS6205-31D | Mac Fasteners, Inc. Dba Mac Fasteners Inc (USA) |
| NAS6205-31D | California Screw Products Corp. (USA) |
| Reference | Meaning |
|---|---|
| NAS6205-31D | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-207-5929 is a Bolt,shear, manufactured by Mac Fasteners, Inc. Dba Mac Fasteners Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-207-5929 has 2 manufacturer part numbers on file: NAS6205-31D (Mac Fasteners, Inc. Dba Mac Fasteners Inc), NAS6205-31D (California Screw Products Corp.).
Key specifications for NAS6205-31D: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN. 26 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.