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Technical Data Sheet
PartsTable / COMPONENT / E1-03
E1-03 ✓ 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

CAGE ASSEMBLY,ROLLER TUBE EXPAND. Key specifications include cab_type: FORWARD, material: STEEL BODY, body_style: EXTERNAL FLANGE, scale_type: ETCHED STEMETCHED STEM, design_type: FLUCTUATINGFLUCTUATING, corner_shape: SQUARE ALL CORNERS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-143-9559, 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
E1-03
NSN: 4320-00-143-9559
FSC: 4320
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
cab_typeFORWARD
materialSTEEL BODY
body_styleEXTERNAL FLANGE
scale_typeETCHED STEMETCHED STEM
design_typeFLUCTUATINGFLUCTUATING
corner_shapeSQUARE ALL CORNERS
cab_roof_typeCLOSED
overall_width7.750 INCHES NOMINAL IN
hinge_locationBOTTOM
overall_height0.312 INCHES NOMINAL IN
overall_length1.375 INCHES NOMINAL IN
wheel_quantity4
NSN4320-00-143-9559
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAGE ASSEMBLY,ROLLER TUBE EXPAND TITLE COMPONENT PN E1-03 MFR CAGE ASSEMBLY,ROLLER T
KEY FEATURES
•
FLANGE DIAMETER: 3.005 INCHES NOMINAL IN
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL: COPPER ALLOY
•
BODY OUTSIDE DIAMETER: 2.565 INCHES NOMINAL IN
•
LEFT SIDE FLANGE THICKNESS: 0.109 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 2.300 INCHES NOMINAL IN
•
BODY STYLE: EXTERNAL FLANGE
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE DIAMETER3.005 INCHES NOMINAL IN
CORNER SHAPESQUARE ALL CORNERS
MATERIALCOPPER ALLOY
OVERALL LENGTH0.378 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.565 INCHES NOMINAL IN
LEFT SIDE FLANGE THICKNESS0.109 INCHES NOMINAL IN
BODY INSIDE DIAMETER2.300 INCHES NOMINAL IN
BODY STYLEEXTERNAL FLANGE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
WWP401Interchangeable
interchangeable cross-reference
interchangeable
E103Interchangeable
interchangeable cross-reference
interchangeable
8C175Interchangeable
interchangeable cross-reference
interchangeable
13-394-35CInterchangeable
interchangeable cross-reference
interchangeable
ASTM E1Interchangeable
interchangeable cross-reference
interchangeable
G23537Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E1-03?
E1-03 is a CAGE ASSEMBLY,ROLLER TUBE EXPAND.
What parts can replace E1-03?
There are 14 known substitutes for E1-03: WWP401, E103, 8C175 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E1-03?
E1-03 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-143-9559. 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