PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0134B0085F084APiston,pump

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-497-1876 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-497-1876 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-497-1876. Primary manufacturer part number: 0134B0085F084A.
Features
  • Piston,pump — FSC 4320
  • Material: STEEL
  • Type/model Designation: 525TS
  • 4 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Steel construction
General Description

The Piston,pump, cataloged under National Stock Number 4320-01-497-1876, 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 2 verified specifications, 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
NSN4320-01-497-1876
Primary Part Number0134B0085F084A
Item NamePiston,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
MaterialSTEEL
Type/model Designation525TS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-227-3253MS51961-30 INTERCHANGEABLE
Bearing,roller,needle
American Society for Testing and Materials Dba Astm International
2990-00-358-5803 INTERCHANGEABLE
Pipe,e,haust,manifo
5965-01-250-8223 INTERCHANGEABLE
Headset-Microphone
6105-01-361-6451EM3314T INTERCHANGEABLE
Motor,alternating Current
Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.
Cross-Reference Index
Part NumberManufacturer
E-951 PC NO 1 Circor Naval Solutions Llc Dba Warren Pumps (USA)
E-951 Circor Naval Solutions Llc Dba Warren Pumps (USA)
0134B0085F084A PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
134B0085 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
3110-00-227-3253INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS51961-30
2990-00-358-5803INTERCHANGEABLE
PIPE,E,HAUST,MANIFO
5965-01-250-8223INTERCHANGEABLE
HEADSET-MICROPHONE
6105-01-361-6451INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
EM3314T

Frequently Asked Questions

What is NSN 4320-01-497-1876?

NSN 4320-01-497-1876 is a Piston,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 4320-01-497-1876?

NSN 4320-01-497-1876 has 4 cross-referenced part numbers: E-951 PC NO 1 (Circor Naval Solutions Llc Dba Warren Pumps), E-951 (Circor Naval Solutions Llc Dba Warren Pumps), 0134B0085F084A (Circor Naval Solutions Llc Dba Warren Pumps), 134B0085 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-01-497-1876?

There are 4 known substitutes for 4320-01-497-1876: 3110-00-227-3253, 2990-00-358-5803, 5965-01-250-8223 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0134B0085F084A?

Key specifications for 0134B0085F084A: Material: STEEL; End Item Identification: LOWER BEARING & CARTRIDGE SEAL MOD. KIT FOR 525TS PUMP; Type/model Designation: 525TS; Part Name Assigned by Controlling Agency: PISTON, PUMP. 4 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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