The Plug,machine Thread, cataloged under National Stock Number 5365-00-159-4728, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5365-00-159-4728 |
| Item Name | Plug,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Status | ACTIVE |
| Body Core Diameter | 0.390 INCHES NOMINAL IN |
| Head Height | 0.313 INCHES NOMINAL IN |
| Bleeder Hole Diameter | 0.062 INCHES NOMINAL IN |
| Connection Style | PLAIN |
| Bleeder Hole Center to Threaded End Distance | 0.232 INCHES MINIMUM AND 0.233 INCHES MAXIMUM IN |
| Core Depth | 0.480 INCHES NOMINAL IN |
| Thread Length | 0.341 INCHES MINIMUM AND 0.357 INCHES MAXIMUM EXTERNAL IN |
| Style Designator | PLUG, MACHINE W/BLEEDER HOLES |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.375 INCHES EXTERNAL IN |
| Thread Class | 3A EXTERNAL A |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| 65746 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5365-00-159-4728 is a Plug,machine Thread, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5815-00-944-8171. Verify interchangeability with system specifications before substitution.
Key specifications for 5365-00-159-4728: Body Core Diameter: 0.390 INCHES NOMINAL IN; Head Height: 0.313 INCHES NOMINAL IN; Bleeder Hole Diameter: 0.062 INCHES NOMINAL IN; Connection Style: PLAIN. 14 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.