The Plug,machine Thread, cataloged under National Stock Number 5365-01-357-3972, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-01-357-3972 |
| Primary Part Number | 53X-02-277 |
| Item Name | Plug,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 0.430 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Thread Length | 0.424 INCHES NOMINAL EXTERNAL IN |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.437 INCHES EXTERNAL IN |
| Thread Class | 2A EXTERNAL A |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNF EXTERNAL |
| Head Diameter | 0.642 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 53X-02-277 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 53X-02-277 | 5/9 Secondary reference Illinois Tool Wks Inc Linac Div |
NSN 5365-01-357-3972 is a Plug,machine Thread, manufactured by Naval Sea Systems Command, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-357-3972 has 1 manufacturer part number on file: 53X-02-277 (Naval Sea Systems Command).
Key specifications for 53X-02-277: Head Height: 0.430 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Thread Length: 0.424 INCHES NOMINAL EXTERNAL IN; Overall Length: 0.940 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND EXTERNAL. 8 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.