The Plug,machine Thread, cataloged under National Stock Number 5365-01-138-4739, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-138-4739 |
| Primary Part Number | SS4033-2D |
| Item Name | Plug,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Body Core Diameter | 0.125 INCHES NOMINAL IN |
| Head Height | 0.125 INCHES NOMINAL IN |
| Head Type | CORED |
| Connection Style | PLAIN |
| Bleeder Hole Center to Threaded End Distance | 0.125 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Core Depth | 0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Head Core Diameter | 0.312 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES NOMINAL EXTERNAL IN |
| Style Designator | PLUG, MACHINE |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.312 INCHES EXTERNAL IN |
| Thread Class | 3A EXTERNAL A |
| Thread Quantity Per Inch | 24 EXTERNAL |
| Material | ALUMINUM ALLOY 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 |
|---|---|
| SS4033-2D PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5365-01-138-4739 is a Plug,machine Thread, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-138-4739 has 1 manufacturer part number on file: SS4033-2D (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for SS4033-2D: Body Core Diameter: 0.125 INCHES NOMINAL IN; Head Height: 0.125 INCHES NOMINAL IN; Head Type: CORED; 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.