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PartsTable / COMPONENT / R-523PIECE9
R-523PIECE9 ✓ 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 COMP 303, body_style: GROOVED, corner_shape: SQUARE OUTSIDE LEFT CORNER, groove_depth: 0.031 INCHES NOMINAL IN, groove_width: 0.125 INCHES NOMINAL IN, overall_length: 0.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-479-8862, 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
R-523PIECE9
NSN: 4320-00-479-8862
FSC: 4320
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialSTEEL COMP 303
body_styleGROOVED
corner_shapeSQUARE OUTSIDE LEFT CORNER
groove_depth0.031 INCHES NOMINAL IN
groove_width0.125 INCHES NOMINAL IN
overall_length0.625 INCHES NOMINAL IN
groove_quantity2
body_inside_diameter4.000 INCHES MINIMUM AND 4.002 INCHES MAXIMUM IN
body_outside_diameter4.500 INCHES MINIMUM AND 4.502 INCHES MAXIMUM IN
distance_from_end_to_groove_center0.125 INCHES NOMINAL IN
NSN4320-00-479-8862
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER ELEMENT,FLUID TITLE COMPONENT PN R-523PIECE9 MFR FILTER ELEMENT,FLUID
KEY FEATURES
•
DISTANCE FROM END TO GROOVE CENTER: 0.125 INCHES NOMINAL IN
•
GROOVE WIDTH: 0.125 INCHES NOMINAL IN
•
CORNER SHAPE: SQUARE OUTSIDE RIGHT CORNER
•
BODY STYLE: GROOVED
•
GROOVE QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE FROM END TO GROOVE CENTER0.125 INCHES NOMINAL IN
GROOVE WIDTH0.125 INCHES NOMINAL IN
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
BODY STYLEGROOVED
CORNER SHAPESQUARE INSIDE RIGHT CORNER
GROOVE QUANTITY2
CORNER SHAPESQUARE INSIDE LEFT CORNER
OVERALL LENGTH0.625 INCHES NOMINAL IN
MATERIALSTEEL COMP 303
GROOVE DEPTH0.031 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
HSA000583Interchangeable
interchangeable cross-reference
interchangeable
LFP4005Interchangeable
interchangeable cross-reference
interchangeable
B9-9Interchangeable
interchangeable cross-reference
interchangeable
4L540Interchangeable
interchangeable cross-reference
interchangeable
27-1240PInterchangeable
interchangeable cross-reference
interchangeable
520Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R-523PIECE9?
R-523PIECE9 is a FILTER ELEMENT,FLUID.
What parts can replace R-523PIECE9?
There are 11 known substitutes for R-523PIECE9: HSA000583, LFP4005, B9-9 and 8 more. Substitute compatibility should be verified for your specific system.
Is R-523PIECE9 still available?
R-523PIECE9 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026