The Plug,machine Thread, cataloged under National Stock Number 5365-01-200-0398, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 12 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-200-0398 |
| Primary Part Number | 2740-432 ITEM 21 |
| Item Name | Plug,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Head Height | 0.391 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN |
| Head Type | SOLID |
| Connection Style | PLAIN |
| Thread Length | 0.288 INCHES MINIMUM AND 0.333 INCHES MAXIMUM EXTERNAL IN |
| Style Designator | PLUG, MACHINE |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.562 INCHES EXTERNAL IN |
| Washer Face Thickness | 0.125 INCHES NOMINAL 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 |
|---|---|
| 708-4456378-21 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 2740-432 ITEM 21 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
NSN 5365-01-200-0398 is a Plug,machine Thread, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-200-0398 has 2 manufacturer part numbers on file: 708-4456378-21 (Huntington Ingalls Inc Div Newport News Shipbuilding), 2740-432 ITEM 21 (Huntington Ingalls Inc Div Newport News Shipbuilding).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-248-0039. Verify interchangeability with system specifications before substitution.
Key specifications for 2740-432 ITEM 21: Head Height: 0.391 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN; Head Type: SOLID; Connection Style: PLAIN; Thread Length: 0.288 INCHES MINIMUM AND 0.333 INCHES MAXIMUM EXTERNAL 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.