PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CS4310-0056Rotor,oil Pump

Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) · NSN 4320-00-945-5240 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-945-5240 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-945-5240. Primary manufacturer part number: CS4310-0056.
Features
  • Rotor,oil Pump — FSC 4320
  • General Characteristics Item Description: STEEL AISI 1010-1020;0.624 IN.O/A LG;3.183 IN. OD;4 SLOTS EQUALLY SPACED 5.00 IN.W;0.251 IN.WIDE KEYWAY IN
  • 3 verified cross-references
  • Primary manufacturer: Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Rotor,oil Pump, cataloged under National Stock Number 4320-00-945-5240, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-945-5240
Primary Part NumberCS4310-0056
Item NameRotor,oil Pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
StatusACTIVE
General Characteristics Item DescriptionSTEEL AISI 1010-1020;0.624 IN.O/A LG;3.183 IN. OD;4 SLOTS EQUALLY SPACED 5.00 IN.W;0.251 IN.WIDE KEYWAY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
1630-00-009-95535001241 INTERCHANGEABLE
Sleeve,brake Cylinder
Meggitt Aircraft Braking Systems Corporation
5315-00-054-4108450-18 INTERCHANGEABLE
Pin,straight,headless
Lockheed Martin Corporation Div Rms - Mitchel Field
5110-00-142-51705110-00-142-5170 INTERCHANGEABLE
Stripper,cable,hand
General Services Administration Federal Supply Service
3455-00-194-051810170 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
4730-00-207-927871-4821 INTERCHANGEABLE
Elbow,pipe to Hose
Department of Defense Project Manager-Mobile Electric Power
2825-00-389-848245018 INTERCHANGEABLE
Thrower,oil
Northrop Grumman Systems Corporation Div Marine Systems
4310-01-124-908145018 INTERCHANGEABLE
Retainer,valve,compressor
Leroi International Inc Dba Compair Leroi
4910-01-230-5600 INTERCHANGEABLE
Sensor Assembly,dynamometer
7510-01-476-8922 INTERCHANGEABLE
Tape,embossing
Cross-Reference Index
Part NumberManufacturer
45018 Davey Compressor Co Div of Keco Industries Inc (USA)
CS4310-0056 PRIMARY Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
45018 Drs Environmental Systems Inc (USA)
Related Parts
1630-00-009-9553INTERCHANGEABLE
SLEEVE,BRAKE CYLINDER
5001241
5315-00-054-4108INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
450-18
5110-00-142-5170INTERCHANGEABLE
STRIPPER,CABLE,HAND
5110-00-142-5170
3455-00-194-0518INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10170
4730-00-207-9278INTERCHANGEABLE
ELBOW,PIPE TO HOSE
71-4821
2825-00-389-8482INTERCHANGEABLE
THROWER,OIL
45018
4310-01-124-9081INTERCHANGEABLE
RETAINER,VALVE,COMPRESSOR
45018
4910-01-230-5600INTERCHANGEABLE
SENSOR ASSEMBLY,DYNAMOMETER
7510-01-476-8922INTERCHANGEABLE
TAPE,EMBOSSING

Frequently Asked Questions

What is NSN 4320-00-945-5240?

NSN 4320-00-945-5240 is a Rotor,oil Pump, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-945-5240?

NSN 4320-00-945-5240 has 3 cross-referenced part numbers: 45018 (Davey Compressor Co Div of Keco Industries Inc), CS4310-0056 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 45018 (Drs Environmental Systems Inc).

What NSN replaces 4320-00-945-5240?

There are 9 known substitutes for 4320-00-945-5240: 1630-00-009-9553, 5315-00-054-4108, 5110-00-142-5170 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CS4310-0056?

Key specifications for CS4310-0056: General Characteristics Item Description: STEEL AISI 1010-1020;0.624 IN.O/A LG;3.183 IN. OD;4 SLOTS EQUALLY SPACED 5.00 IN.W;0.251 IN.WIDE KEYWAY 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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