The Plug,machine Thread, cataloged under National Stock Number 5365-01-321-2571, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-01-321-2571 |
| Primary Part Number | 2633799 |
| Item Name | Plug,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Body Core Diameter | 0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Head Height | 0.125 INCHES NOMINAL IN |
| Head Type | SOLID |
| Surface Treatment Document and Classification | DOD-P-16232,TY M,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PLAIN |
| Core Depth | 0.406 INCHES NOMINAL IN |
| Thread Length | 0.406 INCHES NOMINAL EXTERNAL IN |
| Style Designator | PLUG, MACHINE |
| Material Document and Classification | ASTM A304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 1.000 INCHES EXTERNAL IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Thread Class | 3A EXTERNAL A |
| Material | STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNEF EXTERNAL |
| Head Diameter | 1.193 INCHES MINIMUM AND 1.203 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 |
|---|---|
| 2633799 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 5365PL0892819 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5365-01-321-2571 is a Plug,machine Thread, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-321-2571 has 1 manufacturer part number on file: 2633799 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2633799: Body Core Diameter: 0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN; Head Height: 0.125 INCHES NOMINAL IN; Head Type: SOLID; Surface Treatment Document and Classification: DOD-P-16232,TY M,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 16 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.