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WD446 ✓ 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 INSULATOR,WASHER is a the manufacturer industrial component. Key specifications include material: MICA OVERALL, overall_height: 0.003 INCHES MINIMUM AND 0.008 INCHES MAXIMUM IN, inside_diameter: 0.190 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN, outside_diameter: 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN, style_designator: ROUND, FLAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5970-00-821-3595, 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
WD446
NSN: 5970-00-821-3595
FSC: 5970
CAGE: 84682 — ESSEX GROUP INC INDUSTRIAL WIRE DIV (USA)
SPECIFICATIONS
materialMICA OVERALL
overall_height0.003 INCHES MINIMUM AND 0.008 INCHES MAXIMUM IN
inside_diameter0.190 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
outside_diameter0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
style_designatorROUND, FLAT
NSN5970-00-821-3595
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSULATOR,WASHER TITLE COMPONENT PN WD446 MFR INSULATOR,WASHER
KEY FEATURES
•
MATERIAL: MICA OVERALL
•
STYLE DESIGNATOR: ROUND, FLAT
•
OUTSIDE DIAMETER: 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.190 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALMICA OVERALL
STYLE DESIGNATORROUND, FLAT
OUTSIDE DIAMETER0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
INSIDE DIAMETER0.190 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
OVERALL HEIGHT0.003 INCHES MINIMUM AND 0.008 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
100-215-1500Interchangeable
interchangeable cross-reference
interchangeable
9124H0046Interchangeable
interchangeable cross-reference
interchangeable
RN55D1500FInterchangeable
interchangeable cross-reference
interchangeable
107218Interchangeable
interchangeable cross-reference
interchangeable
107218-9Interchangeable
interchangeable cross-reference
interchangeable
107218-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WD446?
WD446 is a INSULATOR,WASHER.
What parts can replace WD446?
There are 11 known substitutes for WD446: 100-215-1500, 9124H0046, RN55D1500F and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WD446?
WD446 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5970-00-821-3595. 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