PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R57Rotor,pump

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-318-4258 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-318-4258 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-318-4258. Primary manufacturer part number: R57.
Features
  • Rotor,pump — FSC 4320
  • 2 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 Rotor,pump, cataloged under National Stock Number 4320-00-318-4258, 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 2 commercial cross-references from 2 manufacturers, 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
NSN4320-00-318-4258
Primary Part NumberR57
Item NameRotor,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4240-00-099-6939 INTERCHANGEABLE
Respirator,air Filtering
2920-00-710-6805R57 INTERCHANGEABLE
Control Assembly,idler
Lincoln Electric Holdings Inc
3455-01-044-6359SR-30 INTERCHANGEABLE
Cutter,milling,end
Quinco Tool Products Co Inc
3040-01-237-7045RC-57 INTERCHANGEABLE
Cylinder,actuating,linear
Enerpac Tool Group Corp
9330-01-287-8054 INTERCHANGEABLE
Plastic Sheet
1710-01-701-4940R57 INTERCHANGEABLE
Cylinder,actuating,linear
Enerpac Tool Group Corp
Cross-Reference Index
Part NumberManufacturer
R57 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
55-22313-100-10 Euramco Safety Inc (USA)
Related Parts
4240-00-099-6939INTERCHANGEABLE
RESPIRATOR,AIR FILTERING
2920-00-710-6805INTERCHANGEABLE
CONTROL ASSEMBLY,IDLER
R57
3455-01-044-6359INTERCHANGEABLE
CUTTER,MILLING,END
SR-30
3040-01-237-7045INTERCHANGEABLE
CYLINDER,ACTUATING,LINEAR
RC-57
9330-01-287-8054INTERCHANGEABLE
PLASTIC SHEET
1710-01-701-4940INTERCHANGEABLE
CYLINDER,ACTUATING,LINEAR
R57

Frequently Asked Questions

What is NSN 4320-00-318-4258?

NSN 4320-00-318-4258 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 4320-00-318-4258?

NSN 4320-00-318-4258 has 2 cross-referenced part numbers: R57 (Circor Naval Solutions Llc Dba Warren Pumps), 55-22313-100-10 (Euramco Safety Inc).

What NSN replaces 4320-00-318-4258?

There are 6 known substitutes for 4320-00-318-4258: 4240-00-099-6939, 2920-00-710-6805, 3455-01-044-6359 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R57?

Key specifications for R57: End Item Identification: PUMP CTFGL 1400GPM. 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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