The Plug,machine Thread, cataloged under National Stock Number 5365-01-455-4906, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-01-455-4906 |
| Primary Part Number | 243-6758311-MSAS-A50 |
| Item Name | Plug,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Body Core Diameter | 0.060 INCHES NOMINAL IN |
| Head Height | 0.299 INCHES NOMINAL IN |
| Head Type | CORED |
| Connection Style | FLARED |
| Core Depth | 0.690 INCHES NOMINAL IN |
| Head Core Diameter | 0.060 INCHES NOMINAL IN |
| Style Designator | PLUG, MACHINE |
| Material Document and Classification | QQ-N-281,CLA FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.5625 INCHES EXTERNAL IN |
| Thread Class | 2A EXTERNAL A |
| Material | NICKEL 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 |
|---|---|
| DX000419-A50 | Naval Sea Systems Command (USA) |
| 243-6758311-MSAS-A50 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 26M01-5410 ITEM 3 | 5/2 Secondary reference U.S. Government activity |
NSN 5365-01-455-4906 is a Plug,machine Thread, manufactured by Naval Sea Systems Command, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-455-4906 has 2 manufacturer part numbers on file: DX000419-A50 (Naval Sea Systems Command), 243-6758311-MSAS-A50 (Naval Sea Systems Command).
Key specifications for 243-6758311-MSAS-A50: Body Core Diameter: 0.060 INCHES NOMINAL IN; Head Height: 0.299 INCHES NOMINAL IN; Head Type: CORED; Connection Style: FLARED. 13 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.