PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A707Impeller,pump,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-139-2631 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-139-2631 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-139-2631. Primary manufacturer part number: A707.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • 3 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-139-2631, 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. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-139-2631
Primary Part NumberA707
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5905-00-058-09760N002232 INTERCHANGEABLE
Resistor,voltage Sensitive
National Security Agency
5935-01-052-922050-476 INTERCHANGEABLE
Connector,plug,electrical
Dit-Mco International Llc
5999-01-086-8403138C663H01 INTERCHANGEABLE
Clamp,electrical
Northrop Grumman Support Services Corp
Cross-Reference Index
Part NumberManufacturer
657C1314 Circor Naval Solutions Llc Dba Warren Pumps (USA)
A707 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
PL999R0501 PIECE 21 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5905-00-058-0976INTERCHANGEABLE
RESISTOR,VOLTAGE SENSITIVE
0N002232
5935-01-052-9220INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
50-476
5999-01-086-8403INTERCHANGEABLE
CLAMP,ELECTRICAL
138C663H01

Frequently Asked Questions

What is NSN 4320-01-139-2631?

NSN 4320-01-139-2631 is a Impeller,pump,centrifugal, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-139-2631?

NSN 4320-01-139-2631 has 3 cross-referenced part numbers: 657C1314 (Circor Naval Solutions Llc Dba Warren Pumps), A707 (Circor Naval Solutions Llc Dba Warren Pumps), PL999R0501 PIECE 21 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-01-139-2631?

There are 3 known substitutes for 4320-01-139-2631: 5905-00-058-0976, 5935-01-052-9220, 5999-01-086-8403. Verify interchangeability with system specifications before substitution.

What are the specifications of A707?

Key specifications for A707: End Item Identification: CTFGL PMP 230GPM. 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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