The Bolt,machine, cataloged under National Stock Number 5306-01-052-5100, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 19 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 | 5306-01-052-5100 |
| Primary Part Number | 272-3000368-3 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Surface Finish | 20.0 MICROINCHES OVERALL |
| Extended Washer Thickness | 0.072 INCHES NOMINAL IN |
| Head Height | 0.420 INCHES NOMINAL IN |
| Fastener Length | 6.350 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | ES309A FSCM 81755 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 1.430 INCHES NOMINAL IN |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 5.350 INCHES NOMINAL IN |
| Width Between Flats | 1.062 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL 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 |
|---|---|
| 272-3000368-3 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
NSN 5306-01-052-5100 is a Bolt,machine, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-052-5100 has 1 manufacturer part number on file: 272-3000368-3 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 272-3000368-3: Surface Finish: 20.0 MICROINCHES OVERALL; Extended Washer Thickness: 0.072 INCHES NOMINAL IN; Head Height: 0.420 INCHES NOMINAL IN; Fastener Length: 6.350 INCHES NOMINAL IN. 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.