PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

00050Piston,pump

Neptune Chemical Pump Co Div of R a Industries Inc · NSN 4320-01-198-9638 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-198-9638 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-198-9638. Primary manufacturer part number: 00050.
Features
  • Piston,pump — FSC 4320
  • Material: STEEL CORROSION RESISTING
  • 3 verified cross-references
  • Primary manufacturer: Neptune Chemical Pump Co Div of R a Industries Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Piston,pump, cataloged under National Stock Number 4320-01-198-9638, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Neptune Chemical Pump Co Div of R a Industries Inc. 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-198-9638
Primary Part Number00050
Item NamePiston,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerNeptune Chemical Pump Co Div of R a Industries Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6530-00-404-265400050 INTERCHANGEABLE
Bowl,surgical Sponge
Medegen Medical Products, Llc
5355-00-867-5800GS12-401 INTERCHANGEABLE
Knob
L3harris Technologies, Inc Div Space & Airborne Systems
1370-01-037-8414133024-0001 INTERCHANGEABLE
Chaff,countermeasures
Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc
5305-01-227-5990 INTERCHANGEABLE
Screw,trigger Guard
5305-01-271-642400050 INTERCHANGEABLE
Setscrew
Drc Acquisition Inc
3439-01-351-8612 INTERCHANGEABLE
Let Pak System
Cross-Reference Index
Part NumberManufacturer
00050 PRIMARY Neptune Chemical Pump Co Div of R a Industries Inc (USA)
SERWD347PC2 Neptune Chemical Pump Co Div of R a Industries Inc (USA)
2A Neptune Chemical Pump Co Div of R a Industries Inc (USA)
Related Parts
6530-00-404-2654INTERCHANGEABLE
BOWL,SURGICAL SPONGE
00050
5355-00-867-5800INTERCHANGEABLE
KNOB
GS12-401
1370-01-037-8414INTERCHANGEABLE
CHAFF,COUNTERMEASURES
133024-0001
5305-01-227-5990INTERCHANGEABLE
SCREW,TRIGGER GUARD
5305-01-271-6424INTERCHANGEABLE
SETSCREW
00050
3439-01-351-8612INTERCHANGEABLE
LET PAK SYSTEM

Frequently Asked Questions

What is NSN 4320-01-198-9638?

NSN 4320-01-198-9638 is a Piston,pump, manufactured by Neptune Chemical Pump Co Div of R a Industries Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-198-9638?

NSN 4320-01-198-9638 has 3 cross-referenced part numbers: 00050 (Neptune Chemical Pump Co Div of R a Industries Inc), SERWD347PC2 (Neptune Chemical Pump Co Div of R a Industries Inc), 2A (Neptune Chemical Pump Co Div of R a Industries Inc).

What NSN replaces 4320-01-198-9638?

There are 6 known substitutes for 4320-01-198-9638: 6530-00-404-2654, 5355-00-867-5800, 1370-01-037-8414 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 00050?

Key specifications for 00050: Material: STEEL CORROSION RESISTING. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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