PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C271ARing,case

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-042-3125 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-042-3125 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-042-3125. Primary manufacturer part number: C271A.
Features
  • Ring,case — FSC 4320
  • 4 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ring,case, cataloged under National Stock Number 4320-00-042-3125, 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 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,case
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersCircor Naval Solutions Llc Dba Warren Pumps (CAGE 63857); Euramco Safety Inc (CAGE 52081)
Technical Specifications
ParameterValue
NSN4320-00-042-3125
Primary Part NumberC271A
Item NameRing,case
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-144-8970 INTERCHANGEABLE
Bearing,ball,annular
5950-00-236-1582SCD1598 INTERCHANGEABLE
Transformer,power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3455-00-254-8473 INTERCHANGEABLE
Cutter,milling,concave
2915-00-536-5310C228 INTERCHANGEABLE
Guide,piston,relief
Aerocontrolex Group, Inc. Dba Aero Fluid Products
5340-00-774-4590 INTERCHANGEABLE
Cover,access
5935-01-386-0086C228 INTERCHANGEABLE
Clamp,cable,electrical Connector
Bae Systems Information and Electronic Systems Integration Inc.
5935-01-674-4036C228 INTERCHANGEABLE
Clamp,cable,electrical Connector
Glenair, Inc.
Cross-Reference Index
Part NumberManufacturer
C271A PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
E-18082 Circor Naval Solutions Llc Dba Warren Pumps (USA)
C-228 Circor Naval Solutions Llc Dba Warren Pumps (USA)
15-0046-00-021 U/S PRIMARY Euramco Safety Inc (USA)
Related Parts
3110-00-144-8970INTERCHANGEABLE
BEARING,BALL,ANNULAR
5950-00-236-1582INTERCHANGEABLE
TRANSFORMER,POWER
SCD1598
3455-00-254-8473INTERCHANGEABLE
CUTTER,MILLING,CONCAVE
2915-00-536-5310INTERCHANGEABLE
GUIDE,PISTON,RELIEF
C228
5340-00-774-4590INTERCHANGEABLE
COVER,ACCESS
5935-01-386-0086INTERCHANGEABLE
CLAMP,CABLE,ELECTRICAL CONNECTOR
C228
5935-01-674-4036INTERCHANGEABLE
CLAMP,CABLE,ELECTRICAL CONNECTOR
C228

Frequently Asked Questions

What is NSN 4320-00-042-3125?

NSN 4320-00-042-3125 is a Ring,case, 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 4320-00-042-3125?

NSN 4320-00-042-3125 has 4 cross-referenced part numbers: C271A (Circor Naval Solutions Llc Dba Warren Pumps), E-18082 (Circor Naval Solutions Llc Dba Warren Pumps), C-228 (Circor Naval Solutions Llc Dba Warren Pumps), 15-0046-00-021 U/S (Euramco Safety Inc).

What NSN replaces 4320-00-042-3125?

There are 7 known substitutes for 4320-00-042-3125: 3110-00-144-8970, 5950-00-236-1582, 3455-00-254-8473 and 4 more. Verify interchangeability with system specifications before substitution.

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