The Plug,machine Thread, cataloged under National Stock Number 5365-01-413-1687, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-413-1687 |
| Primary Part Number | P444E-00 |
| Item Name | Plug,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | ACTIVE |
| Body Core Diameter | 0.516 INCHES NOMINAL IN |
| Head Height | 0.250 INCHES NOMINAL IN |
| Head Type | SOLID |
| Connection Style | PLAIN |
| Core Depth | 1.000 INCHES NOMINAL IN |
| Thread Length | 0.625 INCHES NOMINAL EXTERNAL IN |
| Style Designator | PLUG, MACHINE |
| Material Document and Classification | MIL-C-895 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 1.125 INCHES EXTERNAL IN |
| Thread Class | 3A EXTERNAL A |
| Thread Quantity Per Inch | 16 EXTERNAL |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNS EXTERNAL |
| 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 |
|---|---|
| P444E-00 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| Reference | Meaning |
|---|---|
| P444E | 5/9 Secondary reference Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| NAP-704 PC 17 | 5/9 Secondary reference Atlas Valve Co |
| P444E | 5/9 Secondary reference Atlas Valve Co |
NSN 5365-01-413-1687 is a Plug,machine Thread, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-413-1687 has 1 manufacturer part number on file: P444E-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
Key specifications for P444E-00: Body Core Diameter: 0.516 INCHES NOMINAL IN; Head Height: 0.250 INCHES NOMINAL IN; Head Type: SOLID; Connection Style: PLAIN. 14 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.