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654Q0129 — RING,WEARING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

654Q0129: 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 ALL CORNERS, overall_length: 0.875 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES ALL SURFACES, distance_from_end: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4320-01-185-6078, 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
654Q0129
NSN: 4320-01-185-6078
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 ALL CORNERS
overall_length0.875 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES ALL SURFACES
distance_from_end0.250 INCHES NOMINAL IN
body_inside_diameter3.000 INCHES NOMINAL IN
body_outside_diameter3.500 INCHES NOMINAL IN
internal_flange_width0.375 INCHES NOMINAL IN
end_to_flange_distance0.688 INCHES NOMINAL IN
distance_between_flanges0.500 INCHES NOMINAL IN
distance_below_centerline0.063 INCHES NOMINAL IN
NSN4320-01-185-6078
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,WEARING TITLE COMPONENT PN 654Q0129 MFR RING,WEARING
KEY FEATURES
•
SURFACE FINISH: 125.0 MICROINCHES ALL SURFACES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
DISTANCE BETWEEN FLANGES: 0.500 INCHES NOMINAL IN
•
BODY STYLE: INTERNAL FLANGE W/EXTERNAL LOCKING FLANGE
•
DISTANCE FROM END: 0.250 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 3.500 INCHES NOMINAL IN
•
END TO FLANGE DISTANCE: 0.688 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES ALL SURFACES
CORNER SHAPESQUARE ALL CORNERS
DISTANCE BETWEEN FLANGES0.500 INCHES NOMINAL IN
BODY STYLEINTERNAL FLANGE W/EXTERNAL LOCKING FLANGE
DISTANCE FROM END0.250 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER3.500 INCHES NOMINAL IN
END TO FLANGE DISTANCE0.688 INCHES NOMINAL IN
OVERALL LENGTH0.875 INCHES NOMINAL IN
INTERNAL FLANGE INSIDE DIAMETER2.437 INCHES NOMINAL IN
LEFT SIDE FLANGE THICKNESS0.187 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
999R0142 PIECE 26Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
999R0142Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 654Q0129?
654Q0129 is a RING,WEARING.
What parts can replace 654Q0129?
There are 2 known substitutes for 654Q0129: 999R0142 PIECE 26, 999R0142. Substitute compatibility should be verified for your specific system.
What is the NSN for 654Q0129?
654Q0129 is cataloged in the U.S. Government catalog under NSN 4320-01-185-6078. 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.