The Plug,machine Thread, cataloged under National Stock Number 5365-01-645-4543, 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 13 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 | 5365-01-645-4543 |
| Primary Part Number | 5192681-0016 |
| Item Name | Plug,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 0.187 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN |
| Bleeder Hole Diameter | 0.078 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN |
| Connection Style | PLAIN |
| Thread Length | 1.032 INCHES NOMINAL EXTERNAL IN |
| Style Designator | PLUG, MACHINE W/BLEEDER HOLES |
| Material Document and Classification | ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 1.875 INCHES EXTERNAL IN |
| Thread Tolerance Class | 3A EXTERNAL A |
| Thread Quantity Per Inch | 16 EXTERNAL |
| Material | STEEL OVERALL |
| Thread Series Designator | UN EXTERNAL |
| Head Diameter | 2.121 INCHES MINIMUM AND 2.124 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 |
|---|---|
| 5192681-0016 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5365-01-645-4543 is a Plug,machine Thread, manufactured by Naval Sea Systems Command, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-645-4543 has 1 manufacturer part number on file: 5192681-0016 (Naval Sea Systems Command).
Key specifications for 5192681-0016: Head Height: 0.187 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN; Bleeder Hole Diameter: 0.078 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN; Connection Style: PLAIN; Thread Length: 1.032 INCHES NOMINAL EXTERNAL IN. 13 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.