The Plug,machine Thread, cataloged under National Stock Number 5365-01-256-4285, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Precise Machine Partners, L.l.p. Dba Precise Machine Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-01-256-4285 |
| Primary Part Number | 2439806-1 |
| Item Name | Plug,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Precise Machine Partners, L.l.p. Dba Precise Machine Co |
| Status | ACTIVE |
| Head Height | 0.050 INCHES NOMINAL IN |
| Head Type | SOLID |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PLAIN |
| Thread Length | 0.197 INCHES NOMINAL EXTERNAL IN |
| Style Designator | PLUG, MACHINE |
| Material Document and Classification | QQ-A-225/8,651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.250 INCHES EXTERNAL IN |
| Surface Treatment | CHROMATE OVERALL |
| Thread Class | 2A EXTERNAL A |
| Thread Quantity Per Inch | 28 EXTERNAL |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Thread Series Designator | UNF EXTERNAL |
| Head Diameter | 0.495 INCHES MINIMUM AND 0.505 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 | X |
| Part Number | Manufacturer |
|---|---|
| 2439806-1 PRIMARY | Precise Machine Partners, L.l.p. Dba Precise Machine Co (USA) |
| Reference | Meaning |
|---|---|
| 2439806-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5365-01-256-4285 is a Plug,machine Thread, manufactured by Precise Machine Partners, L.l.p. Dba Precise Machine Co, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-256-4285 has 1 manufacturer part number on file: 2439806-1 (Precise Machine Partners, L.l.p. Dba Precise Machine Co).
Key specifications for 2439806-1: Head Height: 0.050 INCHES NOMINAL IN; Head Type: SOLID; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PLAIN. 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.