The Bolt,shear, cataloged under National Stock Number 5306-01-265-1184, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Timken Gears & Services Inc. Div Philadelphia Gear. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-265-1184 |
| Primary Part Number | 3051G58-002 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Extended Washer Thickness | 0.222 INCHES NOMINAL IN |
| Head Height | 0.923 INCHES NOMINAL IN |
| Fastener Length | 4.249 INCHES NOMINAL IN |
| Extended Washer Diameter | 1.615 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN |
| Thread Length | 1.479 INCHES MINIMUM IN |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AISI4340 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.000 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN |
| Width Between Flats | 1.062 INCHES NOMINAL IN |
| Grip Diameter | 0.994 INCHES MINIMUM AND 0.995 INCHES MAXIMUM IN |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 4340 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 | X |
| Part Number | Manufacturer |
|---|---|
| 3051G58-002 PRIMARY | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| Reference | Meaning |
|---|---|
| 3051G58-002 | 5/9 Secondary reference General Electric Company |
NSN 5306-01-265-1184 is a Bolt,shear, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-265-1184 has 1 manufacturer part number on file: 3051G58-002 (Timken Gears & Services Inc. Div Philadelphia Gear).
Key specifications for 3051G58-002: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Extended Washer Thickness: 0.222 INCHES NOMINAL IN; Head Height: 0.923 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.