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MILC7989 ✓ 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 WINDOW,DIAL is a the manufacturer industrial component. Key specifications include material: GLASS, outside_diameter: 3.030 INCHES MINIMUM AND 3.040 INCHES MAXIMUM IN, special_features: EDGE OF GLASS COATED AND TINNED, attachment_method: FRAME, material_thickness: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, nondefinitive_spec/std_data: A CLASS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6220-00-166-9796, 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
MILC7989
NSN: 6220-00-166-9796
FSC: 6220
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialGLASS
outside_diameter3.030 INCHES MINIMUM AND 3.040 INCHES MAXIMUM IN
special_featuresEDGE OF GLASS COATED AND TINNED
attachment_methodFRAME
material_thickness0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
nondefinitive_spec/std_dataA CLASS
NSN6220-00-166-9796
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WINDOW,DIAL TITLE COMPONENT PN MILC7989 MFR WINDOW,DIAL
KEY FEATURES
•
COLOR: CLEAR LENS
•
SURFACE CONDITION: SMOOTH FACE
•
STYLE DESIGNATOR: DOME
•
LIGHT TRANSMISSION DESIGN: TRANSPARENT LENS
•
MOUNTING METHOD: FLANGE
•
MATERIAL: GLASS LENS
TECHNICAL CHARACTERISTICS (FLIS)
COLORCLEAR LENS
SURFACE CONDITIONSMOOTH FACE
SURFACE CONDITIONSMOOTH BACK
STYLE DESIGNATORDOME
LIGHT TRANSMISSION DESIGNTRANSPARENT LENS
OVERALL LENGTH0.937 INCHES NOMINAL IN
MOUNTING METHODFLANGE
MATERIALGLASS LENS
OVERALL HEIGHT0.719 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
MILC7989Interchangeable
interchangeable cross-reference
interchangeable
AN3110-2AInterchangeable
interchangeable cross-reference
interchangeable
NAF1021-14Interchangeable
interchangeable cross-reference
interchangeable
1050SInterchangeable
interchangeable cross-reference
interchangeable
989Interchangeable
interchangeable cross-reference
interchangeable
AN3110-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MILC7989?
MILC7989 is a WINDOW,DIAL.
What parts can replace MILC7989?
There are 14 known substitutes for MILC7989: MILC7989, AN3110-2A, NAF1021-14 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MILC7989?
MILC7989 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6220-00-166-9796. 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