The Piston,pump, cataloged under National Stock Number 4320-00-870-4018, 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 2 verified specifications, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-870-4018 |
| Primary Part Number | D161-169-120 |
| Item Name | Piston,pump |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Material | STEEL |
| Diameter | 2.058 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| D161-169-120 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| E661 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| E661PC9 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4320-00-870-4018 is a Piston,pump, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-870-4018 has 3 cross-referenced part numbers: D161-169-120 (Circor Naval Solutions Llc Dba Warren Pumps), E661 (Circor Naval Solutions Llc Dba Warren Pumps), E661PC9 (Circor Naval Solutions Llc Dba Warren Pumps).
There is 1 known substitute for 4320-00-870-4018: 2530-00-558-5588. Verify interchangeability with system specifications before substitution.
Key specifications for D161-169-120: Material: STEEL; Diameter: 2.058 INCHES NOMINAL IN. 2 total characteristics are documented in the Federal Logistics Information System.