The Plug,machine Thread, cataloged under National Stock Number 5365-01-345-5685, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-01-345-5685 |
| Primary Part Number | MS18229-6NCL1 |
| Item Name | Plug,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Head Height | 0.688 INCHES NOMINAL IN |
| Thread Length | 0.294 INCHES NOMINAL EXTERNAL IN |
| Style Designator | PLUG, MACHINE |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.562 INCHES EXTERNAL IN |
| Seat Angle | 30.0 DEGREES |
| Departure From Cited Designator | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Thread Class | 2A EXTERNAL A |
| Material | NICKEL ALLOY OVERALL |
| Thread Series Designator | UN EXTERNAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| MS18229-6NCL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| MS18229-6NC | 4/1 Identification reference U.S. Government activity |
NSN 5365-01-345-5685 is a Plug,machine Thread, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-345-5685 has 1 manufacturer part number on file: MS18229-6NCL1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for MS18229-6NCL1: Head Height: 0.688 INCHES NOMINAL IN; Thread Length: 0.294 INCHES NOMINAL EXTERNAL IN; Style Designator: PLUG, MACHINE; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 11 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.