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Technical Data Sheet
PartsTable / COMPONENT / 18-C1603-12P
18-C1603-12P ✓ 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

The FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, ring_style: CONCENTRIC, joint_style: DIAGONAL JOINT, overall_width: 1.4900 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN, special_features: INSIDE DIAMETER O,975IN, MIN TO 0,985IN, MAX; CYLINDER DIA 1.500IN. IN, radial_wall_thickness: 0.1040 INCHES MINIMUM AND 0.1060 INCHES MAXIMUM 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 4310-01-377-6825, 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
18-C1603-12P
NSN: 4310-01-377-6825
FSC: 4310
CAGE: 28953 — RIX INDUSTRIES (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
ring_styleCONCENTRIC
joint_styleDIAGONAL JOINT
overall_width1.4900 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
special_featuresINSIDE DIAMETER O,975IN, MIN TO 0,985IN, MAX; CYLINDER DIA 1.500IN. IN
radial_wall_thickness0.1040 INCHES MINIMUM AND 0.1060 INCHES MAXIMUM IN
NSN4310-01-377-6825
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER ELEMENT,FLUID TITLE COMPONENT PN 18-C1603-12P MFR FILTER ELEMENT,FLUID
KEY FEATURES
•
JOINT STYLE: DIAGONAL JOINT
•
MATERIAL: PLASTIC OVERALL
•
RING STYLE: CONCENTRIC
•
RADIAL WALL THICKNESS: 0.1040 INCHES MINIMUM AND 0.1060 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
JOINT STYLEDIAGONAL JOINT
OVERALL WIDTH1.4900 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
SPECIAL FEATURESINSIDE DIAMETER O,975IN, MIN TO 0,985IN, MAX; CYLINDER DIA 1.500IN. IN
MATERIALPLASTIC OVERALL
RING STYLECONCENTRIC
RADIAL WALL THICKNESS0.1040 INCHES MINIMUM AND 0.1060 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
E5504AInterchangeable
interchangeable cross-reference
interchangeable
566357Interchangeable
interchangeable cross-reference
interchangeable
C1603Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18-C1603-12P?
18-C1603-12P is a FILTER ELEMENT,FLUID.
What parts can replace 18-C1603-12P?
There are 3 known substitutes for 18-C1603-12P: E5504A, 566357, C1603. Substitute compatibility should be verified for your specific system.
What is the NSN for 18-C1603-12P?
18-C1603-12P is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-01-377-6825. 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