PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

109USuction Valve,upper

Neptune Chemical Pump Co Div of R a Industries Inc · NSN 4320-01-198-2949 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-198-2949 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-198-2949. Primary manufacturer part number: 109U.
Features
  • Suction Valve,upper — FSC 4320
  • General Characteristics Item Description: STAINLESS STEEL 316
  • 4 verified cross-references
  • Primary manufacturer: Neptune Chemical Pump Co Div of R a Industries Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Suction Valve,upper, cataloged under National Stock Number 4320-01-198-2949, 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 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-198-2949
Primary Part Number109U
Item NameSuction Valve,upper
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerNeptune Chemical Pump Co Div of R a Industries Inc
StatusACTIVE
General Characteristics Item DescriptionSTAINLESS STEEL 316
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-293-9338 INTERCHANGEABLE
Bearing,ball,annular
5905-01-047-1530 INTERCHANGEABLE
Resistor,fixed,film
6515-01-474-660024083CBC INTERCHANGEABLE
Template Set,psychodiagnostic Te
Ncs Pearson, Inc.
6665-01-512-3018109U INTERCHANGEABLE
Tube,gas Detector
Sensidyne, Lp Dba Sensidyne
Cross-Reference Index
Part NumberManufacturer
000074 Neptune Chemical Pump Co Div of R a Industries Inc (USA)
109U PRIMARY Neptune Chemical Pump Co Div of R a Industries Inc (USA)
109U-N1 Neptune Chemical Pump Co Div of R a Industries Inc (USA)
SERWD347PC109U Neptune Chemical Pump Co Div of R a Industries Inc (USA)
Related Parts
3110-00-293-9338INTERCHANGEABLE
BEARING,BALL,ANNULAR
5905-01-047-1530INTERCHANGEABLE
RESISTOR,FIXED,FILM
6515-01-474-6600INTERCHANGEABLE
TEMPLATE SET,PSYCHODIAGNOSTIC TE
24083CBC
6665-01-512-3018INTERCHANGEABLE
TUBE,GAS DETECTOR
109U

Frequently Asked Questions

What is NSN 4320-01-198-2949?

NSN 4320-01-198-2949 is a Suction Valve,upper, 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 4320-01-198-2949?

NSN 4320-01-198-2949 has 4 cross-referenced part numbers: 000074 (Neptune Chemical Pump Co Div of R a Industries Inc), 109U (Neptune Chemical Pump Co Div of R a Industries Inc), 109U-N1 (Neptune Chemical Pump Co Div of R a Industries Inc), SERWD347PC109U (Neptune Chemical Pump Co Div of R a Industries Inc).

What NSN replaces 4320-01-198-2949?

There are 4 known substitutes for 4320-01-198-2949: 3110-00-293-9338, 5905-01-047-1530, 6515-01-474-6600 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 109U?

Key specifications for 109U: General Characteristics Item Description: STAINLESS STEEL 316; End Item Identification: 4320-01-019-9018. 2 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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