PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E49Liner,throat

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-369-0055 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-369-0055 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-369-0055. Primary manufacturer part number: E49.
Features
  • Liner,throat — FSC 4320
  • General Characteristics Item Description: COPPER ALLOY;EXTERNALLY FLANGED;0.312 IN.O/A LG;1.859 IN.FLANGE OD;1.624 IN.OD;1.297 IN.ID;0.125 IN.FLANGE THICKNESS IN
  • 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 Liner,throat, cataloged under National Stock Number 4320-00-369-0055, 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 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.

Technical Specifications
ParameterValue
NSN4320-00-369-0055
Primary Part NumberE49
Item NameLiner,throat
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
General Characteristics Item DescriptionCOPPER ALLOY;EXTERNALLY FLANGED;0.312 IN.O/A LG;1.859 IN.FLANGE OD;1.624 IN.OD;1.297 IN.ID;0.125 IN.FLANGE THICKNESS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5999-00-073-0013E49 INTERCHANGEABLE
Heater,thermal Release
Siemens Energy and Automation Inc Siemens Furnas Controls Div
3110-00-156-148330TP106 INTERCHANGEABLE
Bearing,roller,thrust
Timken Co Div the Timken Company
5340-00-717-9428 INTERCHANGEABLE
Spring
5315-01-044-3854 INTERCHANGEABLE
Pin,straight,headless
6610-01-085-6947FM-1161 INTERCHANGEABLE
Meter Mechanism,lat
Ideal Precision Meter Co Dba Ideal Precision Meter Co
3439-01-256-4623 INTERCHANGEABLE
Tip,electric Soldering Iron
5360-01-274-5831 INTERCHANGEABLE
Spring,helical,compression
Cross-Reference Index
Part NumberManufacturer
E49 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
H4320-369-0055 Naval Inventory Control Point Mechanicsburg (USA)
R56PC20 Circor Naval Solutions Llc Dba Warren Pumps (USA)
P4320-369-0055 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5999-00-073-0013INTERCHANGEABLE
HEATER,THERMAL RELEASE
E49
3110-00-156-1483INTERCHANGEABLE
BEARING,ROLLER,THRUST
30TP106
5340-00-717-9428INTERCHANGEABLE
SPRING
5315-01-044-3854INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
6610-01-085-6947INTERCHANGEABLE
METER MECHANISM,LAT
FM-1161
3439-01-256-4623INTERCHANGEABLE
TIP,ELECTRIC SOLDERING IRON
5360-01-274-5831INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION

Frequently Asked Questions

What is NSN 4320-00-369-0055?

NSN 4320-00-369-0055 is a Liner,throat, 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 4320-00-369-0055?

NSN 4320-00-369-0055 has 4 cross-referenced part numbers: E49 (Circor Naval Solutions Llc Dba Warren Pumps), H4320-369-0055 (Naval Inventory Control Point Mechanicsburg), R56PC20 (Circor Naval Solutions Llc Dba Warren Pumps), P4320-369-0055 (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 4320-00-369-0055?

There are 7 known substitutes for 4320-00-369-0055: 5999-00-073-0013, 3110-00-156-1483, 5340-00-717-9428 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E49?

Key specifications for E49: General Characteristics Item Description: COPPER ALLOY;EXTERNALLY FLANGED;0.312 IN.O/A LG;1.859 IN.FLANGE OD;1.624 IN.OD;1.297 IN.ID;0.125 IN.FLANGE THICKNESS IN. 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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