The Plug,machine Thread, cataloged under National Stock Number 5365-01-121-8658, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-121-8658 |
| Item Name | Plug,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Status | ACTIVE |
| Body Core Diameter | 1.250 INCHES NOMINAL IN |
| Head Height | 0.438 INCHES NOMINAL IN |
| Head Type | SOLID |
| Surface Treatment Document and Classification | QQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Bleeder Hole Diameter | 0.063 INCHES NOMINAL IN |
| Connection Style | PLAIN |
| Bleeder Hole Center to Threaded End Distance | 0.312 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Core Depth | 0.594 INCHES MINIMUM AND 0.609 INCHES MAXIMUM IN |
| Thread Length | 0.500 INCHES NOMINAL EXTERNAL IN |
| Style Designator | PLUG, MACHINE W/BLEEDER HOLES |
| Material Document and Classification | QQ-S-763,CLASS 304 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 1.625 INCHES EXTERNAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A EXTERNAL A |
| Thread Quantity Per Inch | 12 EXTERNAL |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) EXTERNAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MS24391J20 | 2/2 Government specification standardization U.S. Government activity |
NSN 5365-01-121-8658 is a Plug,machine Thread, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
Key specifications for 5365-01-121-8658: Body Core Diameter: 1.250 INCHES NOMINAL IN; Head Height: 0.438 INCHES NOMINAL IN; Head Type: SOLID; Surface Treatment Document and Classification: QQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.