PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

71-503Core Section

Dresser Industries Inc Leroi Div · NSN 4310-00-354-6518 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-354-6518 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-354-6518. Primary manufacturer part number: 71-503.
Features
  • Core Section — FSC 4310
  • 1 verified cross-reference
  • Primary manufacturer: Dresser Industries Inc Leroi Div
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Core Section, cataloged under National Stock Number 4310-00-354-6518, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCore Section
FSC / FSG4310 — No Item Name Available (FSG 43)
ManufacturersDresser Industries Inc Leroi Div (CAGE 35301)
Technical Specifications
ParameterValue
NSN4310-00-354-6518
Primary Part Number71-503
Item NameCore Section
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4320-00-155-7740K926 INTERCHANGEABLE
Shaft,transmission,pump
Waterous Company
5935-00-257-984871503 INTERCHANGEABLE
Connector,receptacle,electrical
Hamilton Sundstrand Corporation Dba Collins Aerospace
1650-00-403-855971503 INTERCHANGEABLE
Parts Kit,linear Actuating Cylin
Pneudraulics, Inc.
6520-01-020-8270680019 INTERCHANGEABLE
Resin,acrylic,dental
Dentsply Sirona Inc Div Dentsply Prosthetics Division (aka Trubyte)
7510-01-501-268771503 INTERCHANGEABLE
Portfolio
Smead Mfg Co
5310-01-595-701571503 INTERCHANGEABLE
Nut,plain,hexagon
Viasat Inc Dba Viasat Inc
Cross-Reference Index
Part NumberManufacturer
71-503 PRIMARY Dresser Industries Inc Leroi Div (USA)
Related Parts
4320-00-155-7740INTERCHANGEABLE
SHAFT,TRANSMISSION,PUMP
K926
5935-00-257-9848INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
71503
1650-00-403-8559INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
71503
6520-01-020-8270INTERCHANGEABLE
RESIN,ACRYLIC,DENTAL
680019
7510-01-501-2687INTERCHANGEABLE
PORTFOLIO
71503
5310-01-595-7015INTERCHANGEABLE
NUT,PLAIN,HEXAGON
71503

Frequently Asked Questions

What is NSN 4310-00-354-6518?

NSN 4310-00-354-6518 is a Core Section, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-354-6518?

NSN 4310-00-354-6518 has 1 cross-referenced part number: 71-503 (Dresser Industries Inc Leroi Div).

What NSN replaces 4310-00-354-6518?

There are 6 known substitutes for 4310-00-354-6518: 4320-00-155-7740, 5935-00-257-9848, 1650-00-403-8559 and 3 more. Verify interchangeability with system specifications before substitution.

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