The Plug,machine Thread, cataloged under National Stock Number 5365-01-643-0918, 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 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5365-01-643-0918 |
| Primary Part Number | 7526199-ITEM -12 |
| Item Name | Plug,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.438 INCHES EXTERNAL IN |
| Thread Class | 2A EXTERNAL A |
| Thread Quantity Per Inch | 20 EXTERNAL |
| Material | NICKEL ALLOY OVERALL |
| 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 |
|---|---|
| 7526199-ITEM -12 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 16117180 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 803-7526199ITEM12 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 7/16 PLUG-M | 5/9 Secondary reference Smar International Corporation |
NSN 5365-01-643-0918 is a Plug,machine Thread, manufactured by Naval Sea Systems Command, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-643-0918 has 1 manufacturer part number on file: 7526199-ITEM -12 (Naval Sea Systems Command).
Key specifications for 7526199-ITEM -12: Thread Direction: RIGHT-HAND EXTERNAL; Nominal Thread Size: 0.438 INCHES EXTERNAL IN; Part Name Assigned by Controlling Agency: PLUG, HEXAGON SOCKET O-RING BOSS; Thread Class: 2A EXTERNAL A. 5 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.