The Plug,machine Thread, cataloged under National Stock Number 5365-01-031-1090, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Fluid Handling Llc. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5365-01-031-1090 |
| Primary Part Number | 3-378-2-01-901-05 |
| Item Name | Plug,machine Thread |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Fluid Handling Llc |
| Status | ACTIVE |
| Material Document and Classification | MIL-C-15726 COMP 70-30 TEMPER HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 1.312 INCHES EXTERNAL IN |
| Thread Class | 2A EXTERNAL A |
| Thread Quantity Per Inch | 12 EXTERNAL |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| 3-378-2-01-901-05 PRIMARY | Fluid Handling Llc (USA) |
| Reference | Meaning |
|---|---|
| 8WX2401-5 | 5/9 Secondary reference Itt Corporation Dba Itt Standard |
| 5-126-23-081-001 | 5/9 Secondary reference Itt Corporation Dba Itt Standard |
| 3-378-2-01-901-05 | 5/9 Secondary reference Itt Corporation Dba Itt Standard |
NSN 5365-01-031-1090 is a Plug,machine Thread, manufactured by Fluid Handling Llc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-031-1090 has 1 manufacturer part number on file: 3-378-2-01-901-05 (Fluid Handling Llc).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-032-3717. Verify interchangeability with system specifications before substitution.
Key specifications for 3-378-2-01-901-05: Material Document and Classification: MIL-C-15726 COMP 70-30 TEMPER HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND EXTERNAL; Nominal Thread Size: 1.312 INCHES EXTERNAL IN; Thread Class: 2A EXTERNAL A. 7 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.