The Bolt,shear, cataloged under National Stock Number 5306-01-268-9783, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Llc Dba PB Fasteners Div PB Fasteners. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-268-9783 |
| Primary Part Number | 20-057-5-20D |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 63.0 MICROINCHES GRIP |
| Surface Finish | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.141 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Fastener Length | 1.704 INCHES MINIMUM AND 1.734 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM FIRST HOLE IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.240 INCHES MINIMUM AND 1.260 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 AND CHROMATE OVERALL |
| 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 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.513 INCHES MINIMUM AND 1.563 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 | X |
| Part Number | Manufacturer |
|---|---|
| 20-057-5-20D | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 20-057-5-20D PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 20-057-5-20D | Lfc Industries, Inc. (USA) |
| 20-057-5-20D | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 20-057-5-20D | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 20-057-5-20D | Howmet Global Fastening Systems Inc (USA) |
| 20-057-5-20D | Saturn Fasteners Inc (USA) |
| 20-057-5-20D | Heartland Precision Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| 20-057-5-20D | 5/9 Secondary reference U.S. Government activity |
| 20-057-5-20D | 5/9 Secondary reference U.S. Government activity |
| 20-057-5-20D | 7/2 Vendor item drawing reference U.S. Government activity |
| 20-057-5-20D | 5/9 Secondary reference Huck International, Inc |
NSN 5306-01-268-9783 is a Bolt,shear, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-268-9783 has 8 manufacturer part numbers on file: 20-057-5-20D (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), 20-057-5-20D (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 20-057-5-20D (Lfc Industries, Inc.), 20-057-5-20D (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 20-057-5-20D (Sps Technologies, Llc Dba PB Fasteners) and 3 more.
Key specifications for 20-057-5-20D: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 63.0 MICROINCHES GRIP; Surface Finish: 63.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.141 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN. 22 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.