The Plug,machine Thread, cataloged under National Stock Number 5365-00-591-4753, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-00-591-4753 |
| Primary Part Number | 23377R1 |
| Item Name | Plug,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Body Core Diameter | 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN |
| Head Height | 0.280 INCHES NOMINAL IN |
| Connection Style | PLAIN |
| Core Depth | 0.560 INCHES NOMINAL IN |
| Thread Length | 0.265 INCHES MINIMUM AND 0.290 INCHES MAXIMUM EXTERNAL IN |
| Style Designator | PLUG, MACHINE |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.438 INCHES EXTERNAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A EXTERNAL A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF 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 |
|---|---|
| 23377R1 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 23377R1 | 5/9 Secondary reference Solar Turbines Incorporated Dba Solar Turbines Incorporated |
NSN 5365-00-591-4753 is a Plug,machine Thread, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-591-4753 has 1 manufacturer part number on file: 23377R1 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 23377R1: Body Core Diameter: 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN; Head Height: 0.280 INCHES NOMINAL IN; Connection Style: PLAIN; Core Depth: 0.560 INCHES NOMINAL IN. 12 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.