The Bolt,shear, cataloged under National Stock Number 5306-01-331-7563, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-331-7563 |
| Primary Part Number | 20-057-5-113D |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Howmet Global Fastening Systems 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 | 7.516 INCHES MINIMUM AND 7.546 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.484 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 7.052 INCHES MINIMUM AND 7.072 INCHES MAXIMUM IN |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 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 | 7.369 INCHES NOMINAL 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 |
|---|---|
| 20-057-5-113D PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 20-057-5-113D PRIMARY | Lfc Industries, Inc. (USA) |
| 20-057-5-113D PRIMARY | Saturn Fasteners Inc (USA) |
| 20-057-5-113D PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 20-057-5-113D PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 20-057-5-113D PRIMARY | Huck International, Inc (USA) |
| 20-057-5-113D PRIMARY | Heartland Precision Fasteners Inc (USA) |
| 20-057-5-113D PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 20-057-5-113D PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 20-057-5-113D PRIMARY | Midland Intl Corp Lmr Div (USA) |
| Reference | Meaning |
|---|---|
| 20-057-5-113D | 3/9 Design control — primary reference Sps Technologies Inc |
| 20-057-5-113D | 7/2 Vendor item drawing reference U.S. Government activity |
| 20-057-5-113D | 5/9 Secondary reference U.S. Government activity |
| 20-057-5-113D | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-331-7563 is a Bolt,shear, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-331-7563 has 10 manufacturer part numbers on file: 20-057-5-113D (Howmet Global Fastening Systems Inc), 20-057-5-113D (Lfc Industries, Inc.), 20-057-5-113D (Saturn Fasteners Inc), 20-057-5-113D (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), 20-057-5-113D (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 5 more.
Key specifications for 20-057-5-113D: 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. 21 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.