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Technical Data Sheet
PartsTable / COMPONENT / 255293-11
255293-11 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include fsc_application_data: PUMP CONTROLLER,DIFFERENTIAL BELLOW TEST FIXTURE, end_item_identification: F100-PW-100 ENGINE, general_characteristics_item_description: 4.500 IN. LG,1.120 IN.

W,1.000 IN. H; SAE 4140 RH C 28-36 IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-398-8504, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
255293-11
NSN: 4320-00-398-8504
FSC: 4320
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
fsc_application_dataPUMP CONTROLLER,DIFFERENTIAL BELLOW TEST FIXTURE
end_item_identificationF100-PW-100 ENGINE
general_characteristics_item_description4.500 IN. LG,1.120 IN. W,1.000 IN. H; SAE 4140 RH C 28-36 IN
NSN4320-00-398-8504
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,INTERNAL COMBUSTION ENGIN TITLE COMPONENT PN 255293-11 MFR PISTON,INTERNAL COMBUS
KEY FEATURES
•
BOLT HOLE QUANTITY: 6
•
COUNTERBORE DEPTH: 0.250 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 5.374 INCHES NOMINAL IN
•
COUNTERBORE DIAMETER: 0.438 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 4.845 INCHES NOMINAL IN
•
CORNER SHAPE: SQUARE ALL CORNERS
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.281 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BOLT HOLE QUANTITY6
COUNTERBORE DEPTH0.250 INCHES NOMINAL IN
OVERALL LENGTH0.875 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER5.374 INCHES NOMINAL IN
COUNTERBORE DIAMETER0.438 INCHES NOMINAL IN
BODY INSIDE DIAMETER4.845 INCHES NOMINAL IN
CORNER SHAPESQUARE ALL CORNERS
UNTHREADED MOUNTING HOLE DIAMETER0.281 INCHES NOMINAL IN
LEFT SIDE FLANGE THICKNESS0.250 INCHES NOMINAL IN
FLANGE DIAMETER6.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
954PInterchangeable
interchangeable cross-reference
interchangeable
3095ALInterchangeable
interchangeable cross-reference
interchangeable
2254PInterchangeable
interchangeable cross-reference
interchangeable
1926PNInterchangeable
interchangeable cross-reference
interchangeable
P709AXInterchangeable
interchangeable cross-reference
interchangeable
2552931-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 255293-11?
255293-11 is a PISTON,INTERNAL COMBUSTION ENGIN.
What parts can replace 255293-11?
There are 10 known substitutes for 255293-11: 954P, 3095AL, 2254P and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 255293-11?
255293-11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-398-8504. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026