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Technical Data Sheet
C51A ✓ 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 RING,WEARING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, body_style: INTERNAL FLANGE W/EXTERNAL LOCKING FLANGE, corner_shape: CHAMFERED INSIDE RIGHT CORNER, groove_depth: 0.031 INCHES NOMINAL IN, groove_width: 0.125 INCHES NOMINAL IN, chamfer_angle: 4.0 DEGREES NOMINAL INSIDE RIGHT CORNER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-218-4236, 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
C51A
NSN: 4320-00-218-4236
FSC: 4320
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_styleINTERNAL FLANGE W/EXTERNAL LOCKING FLANGE
corner_shapeCHAMFERED INSIDE RIGHT CORNER
groove_depth0.031 INCHES NOMINAL IN
groove_width0.125 INCHES NOMINAL IN
chamfer_angle4.0 DEGREES NOMINAL INSIDE RIGHT CORNER
chamfer_length0.175 INCHES NOMINAL INSIDE RIGHT CORNER IN
overall_length1.196 INCHES NOMINAL IN
special_featuresCOMPANY ITEM NAME--LOAD BANK ASSEMBLY, HEAT
anchor_groove_width0.750 INCHES NOMINAL IN
body_inside_diameter5.966 INCHES NOMINAL IN
body_outside_diameter6.610 INCHES NOMINAL IN
NSN4320-00-218-4236
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,WEARING TITLE COMPONENT PN C51A MFR RING,WEARING
KEY FEATURES
DISTANCE FROM END TO GROOVE CENTER: 0.628 INCHES NOMINAL IN
BODY INSIDE DIAMETER: 5.966 INCHES NOMINAL IN
MATERIAL: COPPER ALLOY
INTERNAL FLANGE WIDTH: 0.378 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER: 6.610 INCHES NOMINAL IN
INTERNAL FLANGE INSIDE DIAMETER: 4.873 INCHES NOMINAL IN
END TO FLANGE DISTANCE: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE FROM END TO GROOVE CENTER0.628 INCHES NOMINAL IN
BODY INSIDE DIAMETER5.966 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
INTERNAL FLANGE WIDTH0.378 INCHES NOMINAL IN
OVERALL LENGTH1.196 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER6.610 INCHES NOMINAL IN
INTERNAL FLANGE INSIDE DIAMETER4.873 INCHES NOMINAL IN
END TO FLANGE DISTANCE0.375 INCHES NOMINAL IN
GROOVE DEPTH0.031 INCHES NOMINAL IN
SMALLEST EXTERNAL ANCHOR FLANGE RADIUS3.249 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
C5-1Interchangeable
interchangeable cross-reference
interchangeable
C5-1AInterchangeable
interchangeable cross-reference
interchangeable
H4320-218-4236Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C51A?
C51A is a RING,WEARING.
What parts can replace C51A?
There are 3 known substitutes for C51A: C5-1, C5-1A, H4320-218-4236. Substitute compatibility should be verified for your specific system.
What is the NSN for C51A?
C51A is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-218-4236. This indicates validated use in U.S. government and defense supply chains.
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