The Piston Follower,pump, cataloged under National Stock Number 4320-01-173-4191, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-173-4191 |
| Primary Part Number | VR-22 |
| Item Name | Piston Follower,pump |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| General Characteristics Item Description | BRONZE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BS8-2326 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| VR-22 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS8-2326 PIECE129 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4320-01-173-4191 is a Piston Follower,pump, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-01-173-4191 has 3 cross-referenced part numbers: BS8-2326 (Circor Naval Solutions Llc Dba Warren Pumps), VR-22 (Circor Naval Solutions Llc Dba Warren Pumps), BS8-2326 PIECE129 (Circor Naval Solutions Llc Dba Warren Pumps).
There are 11 known substitutes for 4320-01-173-4191: 2815-00-288-4869, 4320-01-171-7359, 4320-01-173-4192 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for VR-22: General Characteristics Item Description: BRONZE; End Item Identification: HOUDAILLE INDUSTRIES INC,WARREN PUMP DIV 7 BY 7 BY 12 VERTICAL SINGLE PISTON PUMP. 2 total characteristics are documented in the Federal Logistics Information System.