The Nut,union, cataloged under National Stock Number 4730-01-238-0645, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Ametek Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-238-0645 |
| Primary Part Number | T-146 |
| Item Name | Nut,union |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Ametek Inc |
| Status | ACTIVE |
| Thread Series | NPT |
| Thread Quantity Per Inch | 20 |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.938 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| T-146 PRIMARY | Ametek Inc (USA) |
NSN 4730-01-238-0645 is a Nut,union, manufactured by Ametek Inc, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-238-0645 has 1 cross-referenced part number: T-146 (Ametek Inc).
There are 4 known substitutes for 4730-01-238-0645: 5970-00-010-1596, 5307-00-637-1408, 2940-00-949-4241 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for T-146: Thread Series: NPT; Thread Quantity Per Inch: 20; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.938 INCHES IN. 4 total characteristics are documented in the Federal Logistics Information System.