PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R91Rotor,pump

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-062-9585 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-062-9585 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-062-9585. Primary manufacturer part number: R91.
Features
  • Rotor,pump — FSC 4320
  • Pump Design Control Activity: 63857
  • 1 verified cross-reference
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Rotor,pump, cataloged under National Stock Number 4320-00-062-9585, 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 1 verified specification, 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.

Technical Specifications
ParameterValue
NSN4320-00-062-9585
Primary Part NumberR91
Item NameRotor,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Pump Design Control Activity63857
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5360-00-601-8445R91 INTERCHANGEABLE
Spring,helical,compression
Baumbach E a Mfg Co
5945-00-885-838415427 INTERCHANGEABLE
Relay,solid State
Versitron Inc
Cross-Reference Index
Part NumberManufacturer
R91 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5360-00-601-8445INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
R91
5945-00-885-8384INTERCHANGEABLE
RELAY,SOLID STATE
15427

Frequently Asked Questions

What is NSN 4320-00-062-9585?

NSN 4320-00-062-9585 is a Rotor,pump, 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 4320-00-062-9585?

NSN 4320-00-062-9585 has 1 cross-referenced part number: R91 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-062-9585?

There are 2 known substitutes for 4320-00-062-9585: 5360-00-601-8445, 5945-00-885-8384. Verify interchangeability with system specifications before substitution.

What are the specifications of R91?

Key specifications for R91: Pump Design Control Activity: 63857. 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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