The Bolt,shear, cataloged under National Stock Number 5306-01-412-1954, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-412-1954 |
| Primary Part Number | 20-057-10-44H |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.297 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Fastener Length | 3.296 INCHES MINIMUM AND 3.326 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 2, CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 0.561 INCHES NOMINAL IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | HEXAGON CORNERS |
| Material Document and Classification | MIL-B-7838 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN |
| Width Between Flats | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Grip Diameter | 0.6230 INCHES MINIMUM AND 0.6240 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 | 18 |
| Material | STEEL OVERALL |
| Hole Quantity | 3 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM 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 |
|---|---|
| 20-057-10-44H PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 20-057-10-44H PRIMARY | Heartland Precision Fasteners Inc (USA) |
| 20-057-10-44H PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 20-057-10-44H PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 20-057-10-44H PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 20-057-10-44H | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 20-057-10-44H PRIMARY | Saturn Fasteners Inc (USA) |
| 20-057-10-44H PRIMARY | Lfc Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 20-057-10-44H | 5/9 Secondary reference W.w. Grainger, Inc. Div Government Sales Division |
| 20-057-10-44H | 5/9 Secondary reference Aerospace Rivet Mfrs Corp |
| 20-057-10-44H | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5306-01-412-1954 is a Bolt,shear, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-412-1954 has 8 manufacturer part numbers on file: 20-057-10-44H (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 20-057-10-44H (Heartland Precision Fasteners Inc), 20-057-10-44H (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 20-057-10-44H (Howmet Global Fastening Systems Inc), 20-057-10-44H (Sps Technologies, Llc Dba PB Fasteners) and 3 more.
Key specifications for 20-057-10-44H: Head Height: 0.297 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Fastener Length: 3.296 INCHES MINIMUM AND 3.326 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416, TYPE 2, CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL; Thread Length: 0.561 INCHES NOMINAL 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.