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GCP-661PC64 — RING,WEARING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

GCP-661PC64: RING,WEARING.

The RING,WEARING is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, body_style: EXTERNAL LOCKING FLANGE, corner_shape: SQUARE ALL CORNERS, overall_length: 0.812 INCHES NOMINAL IN, flange_diameter: 6.375 INCHES NOMINAL IN, special_features: UNDERSIZE. This part is cataloged in the U.S.

Government catalog under NSN 4320-01-026-2962, 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
GCP-661PC64
NSN: 4320-01-026-2962
FSC: 4320 — Power and Hand Pumps
CAGE: 16062 — M.T. DAVIDSON COMPANY (USA)
SPECIFICATIONS
materialNICKEL ALLOY
body_styleEXTERNAL LOCKING FLANGE
corner_shapeSQUARE ALL CORNERS
overall_length0.812 INCHES NOMINAL IN
flange_diameter6.375 INCHES NOMINAL IN
special_featuresUNDERSIZE
body_inside_diameter4.937 INCHES NOMINAL IN
body_outside_diameter5.998 INCHES MINIMUM AND 5.999 INCHES MAXIMUM IN
end_to_flange_distance0.437 INCHES NOMINAL IN
distance_between_flanges0.125 INCHES NOMINAL IN
distance_below_centerline0.062 INCHES NOMINAL IN
left_side_flange_thickness0.187 INCHES NOMINAL IN
NSN4320-01-026-2962
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,WEARING TITLE COMPONENT PN GCP-661PC64 MFR RING,WEARING
KEY FEATURES
•
FLANGE DIAMETER: 6.375 INCHES NOMINAL IN
•
CORNER SHAPE: SQUARE ALL CORNERS
•
DISTANCE BETWEEN FLANGES: 0.125 INCHES NOMINAL IN
•
BODY STYLE: EXTERNAL LOCKING FLANGE
•
BODY OUTSIDE DIAMETER: 5.998 INCHES MINIMUM AND 5.999 INCHES MAXIMUM IN
•
END TO FLANGE DISTANCE: 0.437 INCHES NOMINAL IN
•
LEFT SIDE FLANGE THICKNESS: 0.187 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER6.375 INCHES NOMINAL IN
CORNER SHAPESQUARE ALL CORNERS
DISTANCE BETWEEN FLANGES0.125 INCHES NOMINAL IN
BODY STYLEEXTERNAL LOCKING FLANGE
BODY OUTSIDE DIAMETER5.998 INCHES MINIMUM AND 5.999 INCHES MAXIMUM IN
END TO FLANGE DISTANCE0.437 INCHES NOMINAL IN
OVERALL LENGTH0.812 INCHES NOMINAL IN
LEFT SIDE FLANGE THICKNESS0.187 INCHES NOMINAL IN
DISTANCE BELOW CENTERLINE0.062 INCHES NOMINAL IN
BODY INSIDE DIAMETER4.937 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
GCP-662Reference 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 GCP-661PC64?
GCP-661PC64 is a RING,WEARING.
What parts can replace GCP-661PC64?
There is 1 known substitute for GCP-661PC64: GCP-662. Substitute compatibility should be verified for your specific system.
What is the NSN for GCP-661PC64?
GCP-661PC64 is cataloged in the U.S. Government catalog under NSN 4320-01-026-2962. 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.