The Plug,machine Thread, cataloged under National Stock Number 5365-01-321-6193, 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 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-321-6193 |
| Primary Part Number | 6310019 |
| Item Name | Plug,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Body Core Diameter | 0.290 INCHES NOMINAL IN |
| Head Height | 0.250 INCHES NOMINAL IN |
| Head Type | CORED |
| Surface Treatment Document and Classification | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A |
| Bleeder Hole Diameter | 0.0625 INCHES NOMINAL IN |
| Connection Style | PLAIN |
| Bleeder Hole Center to Threaded End Distance | 0.0725 INCHES NOMINAL IN |
| Core Depth | 0.180 INCHES NOMINAL IN |
| Head Core Diameter | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.180 INCHES NOMINAL EXTERNAL IN |
| Style Designator | PLUG, MACHINE W/BLEEDER HOLES |
| Material Document and Classification | QQ-A-225/9,T73 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-367,T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.500 INCHES EXTERNAL IN |
| Surface Treatment | CHROMATE OVERALL |
| Thread Class | 3A EXTERNAL A |
| Material | ALUMINUM ALLOY 7075 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 |
|---|---|
| 6310019 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5365-01-321-6193 is a Plug,machine Thread, manufactured by Naval Sea Systems Command, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-321-6193 has 1 manufacturer part number on file: 6310019 (Naval Sea Systems Command).
Key specifications for 6310019: Body Core Diameter: 0.290 INCHES NOMINAL IN; Head Height: 0.250 INCHES NOMINAL IN; Head Type: CORED; Surface Treatment Document and Classification: MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A. 18 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.