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MF66 — INSULATOR,PLATE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

MF66: INSULATOR,PLATE.

The INSULATOR,PLATE is a the manufacturer industrial component. Key specifications include material: CERAMIC OVERALL, stone_style: SHARPENING, overall_width: 1.812 INCHES NOMINAL IN, overall_height: 0.250 INCHES NOMINAL IN, overall_length: 1.812 INCHES NOMINAL IN, style_designator: FLAT, RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5345-00-247-5943, 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
MF66
NSN: 5345-00-247-5943
NIINs: 002475943, 003560674
FSC: 5345 — Disks and Stones, Abrasive
CAGE: 06565 — NORTON CO COATED ABRASIVE DIV (USA)
SPECIFICATIONS
materialCERAMIC OVERALL
stone_styleSHARPENING
overall_width1.812 INCHES NOMINAL IN
overall_height0.250 INCHES NOMINAL IN
overall_length1.812 INCHES NOMINAL IN
special_featuresONE HOLE 1.000 IN. DIA LOCATED IN CENTER; TWO THREADED HOLES 0.138 IN. DIA 32 THDS PER INCH LOCATED ON 1.625 IN. DIA CIRCLE; TWO HOLES 0.154 IN. DIA LOCATED ON 1.625 IN. DIA CIRCLE IN
style_designatorFLAT, RECTANGULAR
overall_thickness0.750 INCHES NOMINAL IN
nondefinitive_spec/std_data2 TYPE AND 4 STYLE AND A-1 CLASS
surface_treatment_and_locationOVERALL GLAZED
NSN5345-00-247-5943
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSULATOR,PLATE TITLE COMPONENT PN MF66 MFR INSULATOR,PLATE
KEY FEATURES
•
OVERALL THICKNESS: 0.750 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 4 STYLE AND A-1 CLASS
•
STONE STYLE: SHARPENING
TECHNICAL CHARACTERISTICS
OVERALL THICKNESS0.750 INCHES NOMINAL IN
OVERALL LENGTH6.000 INCHES NOMINAL IN
OVERALL WIDTH0.750 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 4 STYLE AND A-1 CLASS
STONE STYLESHARPENING
SUBSTITUTES & CROSS-REFERENCES 2
SSS736Reference document
Same NSN cross-reference
Reference document — Identification reference
M40Reference document
Ink-M40
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MF66?
MF66 is a INSULATOR,PLATE.
What parts can replace MF66?
There are 2 known substitutes for MF66: SSS736, M40. Substitute compatibility should be verified for your specific system.
What is the NSN for MF66?
MF66 is cataloged in the U.S. Government catalog under NSN 5345-00-247-5943. 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.