The Bolt,shear, cataloged under National Stock Number 5306-01-057-3048, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-057-3048 |
| Primary Part Number | 20-065-10034 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Extended Washer Thickness | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| Head Height | 0.608 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN |
| Fastener Length | 3.034 INCHES MINIMUM AND 3.054 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 1.040 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN |
| Thread Length | 0.899 INCHES MINIMUM AND 0.939 INCHES MAXIMUM IN |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM IN |
| Width Between Flats | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN |
| Grip Diameter | 0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 4340 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 | F |
| Part Number | Manufacturer |
|---|---|
| 20-065-10034 | Huck International, Inc (USA) |
| 20-065-10034 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 20-065-10034 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 20-065-10034 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 20-065-10034 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 20-065-10034 | Howmet Global Fastening Systems Inc (USA) |
| 20-065-10034 | Saturn Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| 20-065-10034 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-057-3048 is a Bolt,shear, manufactured by Huck International, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-057-3048 has 7 manufacturer part numbers on file: 20-065-10034 (Huck International, Inc), 20-065-10034 (B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace), 20-065-10034 (Sps Technologies, Llc Dba PB Fasteners), 20-065-10034 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 20-065-10034 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 2 more.
Key specifications for 20-065-10034: Extended Washer Thickness: 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN; Head Height: 0.608 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN; Fastener Length: 3.034 INCHES MINIMUM AND 3.054 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 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.