The Bolt,shoulder, cataloged under National Stock Number 5306-01-140-6593, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-140-6593 |
| Primary Part Number | 1006251-18 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| Head Height | 1.500 INCHES NOMINAL IN |
| Fastener Length | 5.700 INCHES NOMINAL IN |
| Shoulder Length | 5.050 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.750 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 1.258 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.750 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 4130 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 1006251-18 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
NSN 5306-01-140-6593 is a Bolt,shoulder, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-140-6593 has 1 manufacturer part number on file: 1006251-18 (Lockheed Martin Corp Electronics and Missiles Div).
Key specifications for 1006251-18: Head Height: 1.500 INCHES NOMINAL IN; Fastener Length: 5.700 INCHES NOMINAL IN; Shoulder Length: 5.050 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.750 INCHES NOMINAL FIRST SHOULDER IN. 15 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.