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999R0343PC15 — RING,WEARING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

999R0343PC15: RING,WEARING.

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: SQUARE INSIDE LEFT CORNER, corner_radius: 0.375 INCHES NOMINAL INSIDE RIGHT CORNER IN, overall_length: 1.250 INCHES NOMINAL IN, distance_from_end: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-383-4397, 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
999R0343PC15
NSN: 4320-00-383-4397
FSC: 4320 — Power and Hand Pumps
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_styleINTERNAL FLANGE W/EXTERNAL LOCKING FLANGE
corner_shapeSQUARE INSIDE LEFT CORNER
corner_radius0.375 INCHES NOMINAL INSIDE RIGHT CORNER IN
overall_length1.250 INCHES NOMINAL IN
distance_from_end0.250 INCHES NOMINAL IN
body_inside_diameter7.687 INCHES NOMINAL IN
body_outside_diameter8.250 INCHES NOMINAL IN
internal_flange_width0.625 INCHES NOMINAL IN
end_to_flange_distance1.000 INCHES NOMINAL IN
distance_between_flanges0.750 INCHES NOMINAL IN
distance_below_centerline0.093 INCHES NOMINAL IN
NSN4320-00-383-4397
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,WEARING TITLE COMPONENT PN 999R0343PC15 MFR RING,WEARING
KEY FEATURES
•
CORNER SHAPE: SQUARE OUTSIDE RIGHT CORNER
•
DISTANCE BETWEEN FLANGES: 0.750 INCHES NOMINAL IN
•
CORNER RADIUS: 0.375 INCHES NOMINAL INSIDE RIGHT CORNER IN
•
INTERNAL FLANGE OUTSIDE DIAMETER: 7.250 INCHES NOMINAL IN
•
BODY STYLE: INTERNAL FLANGE W/EXTERNAL LOCKING FLANGE
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPEROUND INSIDE RIGHT CORNER
DISTANCE BETWEEN FLANGES0.750 INCHES NOMINAL IN
CORNER RADIUS0.375 INCHES NOMINAL INSIDE RIGHT CORNER IN
INTERNAL FLANGE OUTSIDE DIAMETER7.250 INCHES NOMINAL IN
BODY STYLEINTERNAL FLANGE W/EXTERNAL LOCKING FLANGE
INTERNAL FLANGE LIP WIDTH0.375 INCHES NOMINAL IN
DISTANCE FROM END0.250 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
55-22423-18USSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 999R0343PC15?
999R0343PC15 is a RING,WEARING.
What parts can replace 999R0343PC15?
There is 1 known substitute for 999R0343PC15: 55-22423-18US. Substitute compatibility should be verified for your specific system.
What is the NSN for 999R0343PC15?
999R0343PC15 is cataloged in the U.S. Government catalog under NSN 4320-00-383-4397. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.