The Plug,machine Thread, cataloged under National Stock Number 5365-01-286-8057, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-286-8057 |
| Primary Part Number | 1264C0259 |
| Item Name | Plug,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Body Core Diameter | 2.066 INCHES MINIMUM AND 2.067 INCHES MAXIMUM IN |
| Head Height | 1.800 INCHES NOMINAL IN |
| Head Type | INTERNALLY THREADED |
| Surface Treatment Document and Classification | RULON R-75 CAGEC 04813 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PLAIN |
| Core Depth | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES NOMINAL EXTERNAL IN |
| Material Document and Classification | QQ-A-225/8,T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND HEAD INTERNAL |
| Nominal Thread Size | 0.375 INCHES HEAD INTERNAL IN |
| Surface Treatment | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Thread Class | 2B HEAD INTERNAL |
| Thread Quantity Per Inch | 16 HEAD INTERNAL |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) HEAD INTERNAL |
| 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 |
|---|---|
| 1264C0259 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 1264C0259 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 5365-01-286-8057 is a Plug,machine Thread, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-286-8057 has 1 manufacturer part number on file: 1264C0259 (Lockheed Martin Corporation Div Rms).
Key specifications for 1264C0259: Body Core Diameter: 2.066 INCHES MINIMUM AND 2.067 INCHES MAXIMUM IN; Head Height: 1.800 INCHES NOMINAL IN; Head Type: INTERNALLY THREADED; Surface Treatment Document and Classification: RULON R-75 CAGEC 04813 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 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.