The Piston,pump, cataloged under National Stock Number 4320-01-257-8883, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Psg California, Llc Div Dover Corporation. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-257-8883 |
| Primary Part Number | 61B |
| Item Name | Piston,pump |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Psg California, Llc Div Dover Corporation |
| Status | ACTIVE |
| Retaining Ring Groove | NOT INCLUDED |
| Ring | NOT INCLUDED |
| Integral Connecting Rod | NOT INCLUDED |
| Pin | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 61B | Psg California, Llc Div Dover Corporation (USA) |
NSN 4320-01-257-8883 is a Piston,pump, manufactured by Psg California, Llc Div Dover Corporation, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-01-257-8883 has 1 cross-referenced part number: 61B (Psg California, Llc Div Dover Corporation).
There are 2 known substitutes for 4320-01-257-8883: 5935-00-284-1968, 4820-00-446-3560. Verify interchangeability with system specifications before substitution.
Key specifications for 61B: Retaining Ring Groove: NOT INCLUDED; End Item Identification: WILDEN PUMP MODEL M-4 SERIES; Ring: NOT INCLUDED; Integral Connecting Rod: NOT INCLUDED. 5 total characteristics are documented in the Federal Logistics Information System.