The Tailpiece,union, cataloged under National Stock Number 4730-01-491-2301, 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 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-491-2301 |
| Primary Part Number | 190-00 |
| Item Name | Tailpiece,union |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | ACTIVE |
| Union Outside Diameter | 1.500 INCHES NOMINAL IN |
| Material | COPPER ALLOY 922 |
| End Connection Type | BRAZED |
| Working Pressure and Service Type | 250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL WATER LBS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 40444-4 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 64-300 FIND NO. 12 | Shipyard Supply Co. (USA) |
| 190-00 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 713-300 | Shipyard Supply Co. (USA) |
| 40444-4 FIND NO. 12 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
NSN 4730-01-491-2301 is a Tailpiece,union, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-491-2301 has 5 cross-referenced part numbers: 40444-4 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 64-300 FIND NO. 12 (Shipyard Supply Co.), 190-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 713-300 (Shipyard Supply Co.), 40444-4 FIND NO. 12 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
There are 12 known substitutes for 4730-01-491-2301: 2990-00-195-9574, 2815-00-630-3616, 1650-00-774-8388 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 190-00: Union Outside Diameter: 1.500 INCHES NOMINAL IN; Material: COPPER ALLOY 922; End Connection Type: BRAZED; End Item Identification: NSN 4820-01-290-1055 - VALVE REGULATING. 5 total characteristics are documented in the Federal Logistics Information System.