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D303 ✓ 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: STEEL OVERALL, ring_style: CONTRACTING CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.2700 INCHES NOMINAL IN, inside_diameter: 11.250 INCHES NOMINAL IN, surface_treatment: OXIDE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-226-1289, 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
D303
NSN: 2530-00-226-1289
FSC: 2530
CAGE: 13841 — TIFFIN PARTS, L.L.C. DIV SUBSIDIARY OF PETTIBONE CORP. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
ring_styleCONTRACTING CONCENTRIC
joint_styleVERTICAL JOINT
overall_width0.2700 INCHES NOMINAL IN
inside_diameter11.250 INCHES NOMINAL IN
surface_treatmentOXIDE OVERALL
radial_wall_thickness0.3520 INCHES NOMINAL IN
end_item_identification3930-00-903-0899
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
general_characteristics_item_descriptionSTEEL,ROUND SHAPE,32 IN. DIA ON 75.540 IN. CIRC,23.706 IN. DIA ON 74.474 IN. CIRC ID,23.736 IN. DIA ON 74.569 IN. CIRC OTHER END IN
NSN2530-00-226-1289
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER ELEMENT,FLUID TITLE COMPONENT PN D303 MFR FILTER ELEMENT,FLUID
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,ROUND SHAPE,32 IN. DIA ON 75.540 IN. CIRC,23.706 IN. DIA ON 74.474 IN. CIRC ID,23.736 IN. DIA ON 74.569 IN. CIRC OTHER END IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION3930-00-903-0899
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,ROUND SHAPE,32 IN. DIA ON 75.540 IN. CIRC,23.706 IN. DIA ON 74.474 IN. CIRC ID,23.736 IN. DIA ON 74.569 IN. CIRC OTHER END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
0300300Interchangeable
interchangeable cross-reference
interchangeable
PC83Interchangeable
interchangeable cross-reference
interchangeable
PN19Interchangeable
interchangeable cross-reference
interchangeable
1595507Interchangeable
interchangeable cross-reference
interchangeable
BB25HTNInterchangeable
Same NIIN cross-reference
interchangeable
484464Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D303?
D303 is a FILTER ELEMENT,FLUID.
What parts can replace D303?
There are 8 known substitutes for D303: 0300300, PC83, PN19 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D303?
D303 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-226-1289. 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