PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SL5703PC72Liner,liquid,cylinder

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-00-035-7444 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-035-7444 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-035-7444. Primary manufacturer part number: SL5703PC72.
Features
  • Liner,liquid,cylinder — FSC 4320
  • Specification/standard Data: 81349-ASTM A48 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • General Characteristics Item Description: GREY IRON,CAST; 21 IN. LG; 10.500 IN. OD NOM; 1.300 IN. NOM; ONE PORT 4.500 IN. W NOM IN
  • Test Data Document: 93232-SL5703 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
  • 4 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Epd
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Liner,liquid,cylinder, cataloged under National Stock Number 4320-00-035-7444, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, 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
NSN4320-00-035-7444
Primary Part NumberSL5703PC72
Item NameLiner,liquid,cylinder
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Specification/standard Data81349-ASTM A48 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
General Characteristics Item DescriptionGREY IRON,CAST; 21 IN. LG; 10.500 IN. OD NOM; 1.300 IN. NOM; ONE PORT 4.500 IN. W NOM IN
Test Data Document93232-SL5703 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-438-019942093D98 INTERCHANGEABLE
Bearing,ball,annular
Triumph Gear Systems Inc Dba Triumph Gear Systems Inc
3110-00-555-5339 INTERCHANGEABLE
Bearing,ball,annular
6160-01-125-6160203P INTERCHANGEABLE
Retainer,battery
Keystone Electronics Corp
3110-01-599-7043203P INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
Cross-Reference Index
Part NumberManufacturer
SL5703PC72 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
203P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
DE51S55-032PC72 Naval Ship Systems Command (USA)
SL5703PC72 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
3110-00-438-0199INTERCHANGEABLE
BEARING,BALL,ANNULAR
42093D98
3110-00-555-5339INTERCHANGEABLE
BEARING,BALL,ANNULAR
6160-01-125-6160INTERCHANGEABLE
RETAINER,BATTERY
203P
3110-01-599-7043INTERCHANGEABLE
BEARING,BALL,ANNULAR
203P

Frequently Asked Questions

What is NSN 4320-00-035-7444?

NSN 4320-00-035-7444 is a Liner,liquid,cylinder, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-035-7444?

NSN 4320-00-035-7444 has 4 cross-referenced part numbers: SL5703PC72 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 203P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), DE51S55-032PC72 (Naval Ship Systems Command), SL5703PC72 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging).

What NSN replaces 4320-00-035-7444?

There are 4 known substitutes for 4320-00-035-7444: 3110-00-438-0199, 3110-00-555-5339, 6160-01-125-6160 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SL5703PC72?

Key specifications for SL5703PC72: Specification/standard Data: 81349-ASTM A48 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION; General Characteristics Item Description: GREY IRON,CAST; 21 IN. LG; 10.500 IN. OD NOM; 1.300 IN. NOM; ONE PORT 4.500 IN. W NOM IN; Test Data Document: 93232-SL5703 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING). 3 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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