The Reducer,boss, cataloged under National Stock Number 4730-00-203-1050, 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 Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-203-1050 |
| Primary Part Number | V0-1 |
| Item Name | Reducer,boss |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FIRST END |
| Thread Series Designator | UN SECOND END |
| Nominal Thread Size | 2.000 INCHES SECOND END IN |
| Material | COPPER ALLOY OVERALL |
| Nominal Overall Length | 1.560 INCHES IN |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Series Designator | UN SECOND END |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Nominal Thread Size | 2.000 INCHES SECOND END IN |
| Connection Style | GASKET SEAL (BOSS) FIRST END |
| Connection Type | THREADED INTERNAL BOSS FIRST END |
| Reducer Type | CONCENTRIC |
| Nominal Overall Length | 1.560 INCHES IN |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Thread Class | 2B FIRST END |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FIRST END |
| Material | COPPER ALLOY OVERALL |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Thread Class | 2A SECOND END A |
| Thread Quantity Per Inch | 12 FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BS5-2021PC130 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| H3105857ALT2PC130 | Naval Ship Systems Command (USA) |
| V0-1 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| CS2031050 | Calabrese & Sons, Inc. (USA) |
| BS52019-130 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS1194PC193 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| H3105856PC130 | Naval Ship Systems Command (USA) |
| H3105856REV2PC130 | Naval Ship Systems Command (USA) |
NSN 4730-00-203-1050 is a Reducer,boss, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-203-1050 has 8 cross-referenced part numbers: BS5-2021PC130 (Circor Naval Solutions Llc Dba Warren Pumps), H3105857ALT2PC130 (Naval Ship Systems Command), V0-1 (Circor Naval Solutions Llc Dba Warren Pumps), CS2031050 (Calabrese & Sons, Inc.), BS52019-130 (Circor Naval Solutions Llc Dba Warren Pumps) and 3 more.
There are 2 known substitutes for 4730-00-203-1050: 5120-00-287-2129, 3990-01-407-8273. Verify interchangeability with system specifications before substitution.
Key specifications for V0-1: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) FIRST END; Thread Series Designator: UN SECOND END; Nominal Thread Size: 2.000 INCHES SECOND END IN; Material: COPPER ALLOY OVERALL. 21 total characteristics are documented in the Federal Logistics Information System.