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CS254983L — Technical Data Sheet

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— · 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 material: COPPER ALLOY, body_style: INTERNAL FLANGE W/EXTERNAL LOCKING FLANGE, corner_shape: SQUARE ALL CORNERS, overall_length: 1.438 INCHES NOMINAL IN, special_features: HUB ON LOCK SIDE 0.281 IN. LG AND 4.500 IN.

OD IN, distance_from_end: 0.312 INCHES NOMINAL IN. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System under NSN 4320-00-420-5443, 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
CS254983L
NSN: 4320-00-420-5443
FSC: 4320
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_styleINTERNAL FLANGE W/EXTERNAL LOCKING FLANGE
corner_shapeSQUARE ALL CORNERS
overall_length1.438 INCHES NOMINAL IN
special_featuresHUB ON LOCK SIDE 0.281 IN. LG AND 4.500 IN. OD IN
distance_from_end0.312 INCHES NOMINAL IN
body_inside_diameter5.500 INCHES NOMINAL IN
body_outside_diameter6.375 INCHES NOMINAL IN
internal_flange_width1.062 INCHES NOMINAL IN
end_to_flange_distance0.844 INCHES NOMINAL IN
distance_between_flanges0.938 INCHES NOMINAL IN
distance_below_centerline0.188 INCHES NOMINAL IN
NSN4320-00-420-5443
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,INTERNAL COMBUSTION ENGIN TITLE COMPONENT PN CS254983L MFR PISTON,INTERNAL COMBUS
KEY FEATURES
•
INTERNAL FLANGE INSIDE DIAMETER: 3.875 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 5.500 INCHES NOMINAL IN
•
DISTANCE BETWEEN FLANGES: 0.938 INCHES NOMINAL IN
•
DISTANCE FROM END: 0.312 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
•
DISTANCE BELOW CENTERLINE: 0.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
INTERNAL FLANGE INSIDE DIAMETER3.875 INCHES NOMINAL IN
OVERALL LENGTH1.438 INCHES NOMINAL IN
BODY INSIDE DIAMETER5.500 INCHES NOMINAL IN
DISTANCE BETWEEN FLANGES0.938 INCHES NOMINAL IN
DISTANCE FROM END0.312 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
SPECIAL FEATURESHUB ON LOCK SIDE 0.281 IN. LG AND 4.500 IN. OD IN
DISTANCE BELOW CENTERLINE0.188 INCHES NOMINAL IN
LEFT SIDE FLANGE THICKNESS0.250 INCHES NOMINAL IN
INTERNAL FLANGE WIDTH1.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
38107ASInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
P611PInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
614-PInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
HS243C3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
8491345InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PROXABRUSHInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CS254983L?
CS254983L is a PISTON,INTERNAL COMBUSTION ENGIN.
What parts can replace CS254983L?
There are 19 known substitutes for CS254983L: 38107AS, P611P, 614-P and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CS254983L?
CS254983L is cataloged in the Federal Logistics Information System under NSN 4320-00-420-5443. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: October 2026