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166354F ✓ 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: EXTERNAL FLANGE, corner_shape: SQUARE ALL CORNERS, overall_length: 0.688 INCHES NOMINAL IN, flange_diameter: 7.498 INCHES NOMINAL IN, counterbore_depth: 0.281 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-398-7949, 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
166354F
NSN: 4320-00-398-7949
FSC: 4320
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_styleEXTERNAL FLANGE
corner_shapeSQUARE ALL CORNERS
overall_length0.688 INCHES NOMINAL IN
flange_diameter7.498 INCHES NOMINAL IN
counterbore_depth0.281 INCHES NOMINAL IN
bolt_hole_quantity8
body_inside_diameter6.095 INCHES NOMINAL IN
bolt_circle_diameter6.875 INCHES NOMINAL IN
counterbore_diameter0.438 INCHES NOMINAL IN
body_outside_diameter6.435 INCHES NOMINAL IN
left_side_flange_thickness0.500 INCHES NOMINAL IN
NSN4320-00-398-7949
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,WEARING TITLE COMPONENT PN 166354F MFR RING,WEARING
KEY FEATURES
•
COUNTERBORE DIAMETER: 0.438 INCHES NOMINAL IN
•
COUNTERBORE DEPTH: 0.281 INCHES NOMINAL IN
•
BODY STYLE: EXTERNAL FLANGE
•
BOLT HOLE QUANTITY: 8
•
BOLT CIRCLE DIAMETER: 6.875 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 6.095 INCHES NOMINAL IN
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.281 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.688 INCHES NOMINAL IN
COUNTERBORE DIAMETER0.438 INCHES NOMINAL IN
COUNTERBORE DEPTH0.281 INCHES NOMINAL IN
BODY STYLEEXTERNAL FLANGE
BOLT HOLE QUANTITY8
BOLT CIRCLE DIAMETER6.875 INCHES NOMINAL IN
BODY INSIDE DIAMETER6.095 INCHES NOMINAL IN
UNTHREADED MOUNTING HOLE DIAMETER0.281 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
CORNER SHAPESQUARE ALL CORNERS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
10 10NInterchangeable
interchangeable cross-reference
interchangeable
MIL-P-10388Interchangeable
interchangeable cross-reference
interchangeable
M10388-B11AM1CInterchangeable
interchangeable cross-reference
interchangeable
1107/PInterchangeable
interchangeable cross-reference
interchangeable
SL6182PC35Interchangeable
Same NIIN cross-reference
interchangeable
1010PInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 166354F?
166354F is a RING,WEARING.
What parts can replace 166354F?
There are 10 known substitutes for 166354F: 10 10N, MIL-P-10388, M10388-B11AM1C and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 166354F?
166354F is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-398-7949. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026