PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20638Impeller,pump,centrifugal

Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems · NSN 4320-00-797-9708 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-797-9708 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-797-9708. Primary manufacturer part number: 20638.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-797-9708, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-797-9708
Primary Part Number20638
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Corporation Dba Airframe Div Fuel & Motion Control Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5133-00-227-9666 INTERCHANGEABLE
Drill,twist
5133-00-266-9246 INTERCHANGEABLE
Drill,twist
2530-00-352-6962808769 INTERCHANGEABLE
Brake Drum
Am General Llc
5961-00-845-6455 INTERCHANGEABLE
Transistor
1005-00-868-687511644086 INTERCHANGEABLE
Plate,brake
U S Army Tank Automotive Command Amsta-Im-Mm
4320-01-231-482120638 INTERCHANGEABLE
Piston,stroking
Parker Hannifin Corporation Div Hydraulic Systems Division
5975-01-368-1114206-38 INTERCHANGEABLE
Conduit Assembly,metal,flexible
Dcx-Chol Enterprises, Inc.
4730-01-517-1508C20638 INTERCHANGEABLE
Coupling,hose
Hydrasearch Company, Llc
Cross-Reference Index
Part NumberManufacturer
20638 PRIMARY Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems (USA)
Related Parts
5133-00-227-9666INTERCHANGEABLE
DRILL,TWIST
5133-00-266-9246INTERCHANGEABLE
DRILL,TWIST
2530-00-352-6962INTERCHANGEABLE
BRAKE DRUM
808769
5961-00-845-6455INTERCHANGEABLE
TRANSISTOR
1005-00-868-6875INTERCHANGEABLE
PLATE,BRAKE
11644086
4320-01-231-4821INTERCHANGEABLE
PISTON,STROKING
20638
5975-01-368-1114INTERCHANGEABLE
CONDUIT ASSEMBLY,METAL,FLEXIBLE
206-38
4730-01-517-1508INTERCHANGEABLE
COUPLING,HOSE
C20638

Frequently Asked Questions

What is NSN 4320-00-797-9708?

NSN 4320-00-797-9708 is a Impeller,pump,centrifugal, manufactured by Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-797-9708?

NSN 4320-00-797-9708 has 1 cross-referenced part number: 20638 (Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems).

What NSN replaces 4320-00-797-9708?

There are 8 known substitutes for 4320-00-797-9708: 5133-00-227-9666, 5133-00-266-9246, 2530-00-352-6962 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20638?

Key specifications for 20638: End Item Identification: PUMP CTFGL 500GPM. 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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