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3399ITEM7 ✓ 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: 0.010 INCHES NOMINAL IN, inside_diameter: 5.625 INCHES NOMINAL IN, outside_diameter: 12.250 INCHES NOMINAL 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 5970-00-280-8911, 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
3399ITEM7
NSN: 5970-00-280-8911
FSC: 5970
CAGE: 15605 — EATON CORP OPNS & TECHNICAL CENTER (USA)
SPECIFICATIONS
materialMICA OVERALL
overall_height0.010 INCHES NOMINAL IN
inside_diameter5.625 INCHES NOMINAL IN
outside_diameter12.250 INCHES NOMINAL IN
style_designatorROUND, FLAT
NSN5970-00-280-8911
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSULATOR,WASHER TITLE COMPONENT PN 3399ITEM7 MFR INSULATOR,WASHER
KEY FEATURES
•
INSIDE DIAMETER: 5.625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND, FLAT
•
MATERIAL: MICA OVERALL
•
OUTSIDE DIAMETER: 12.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER5.625 INCHES NOMINAL IN
STYLE DESIGNATORROUND, FLAT
MATERIALMICA OVERALL
OUTSIDE DIAMETER12.250 INCHES NOMINAL IN
OVERALL HEIGHT0.010 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
16819Interchangeable
interchangeable cross-reference
interchangeable
16819-04Interchangeable
interchangeable cross-reference
interchangeable
4500052Interchangeable
interchangeable cross-reference
interchangeable
7503Interchangeable
interchangeable cross-reference
interchangeable
22218CW33C3Interchangeable
interchangeable cross-reference
interchangeable
16-821Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3399ITEM7?
3399ITEM7 is a INSULATOR,WASHER.
What parts can replace 3399ITEM7?
There are 8 known substitutes for 3399ITEM7: 16819, 16819-04, 4500052 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3399ITEM7?
3399ITEM7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5970-00-280-8911. 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