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PartsTable / COMPONENT / B311-284
B311-284 ✓ 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: 7.375 INCHES NOMINAL IN, style_designator: ROUND, material_thickness: 0.406 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 5355-00-668-7896, 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
B311-284
NSN: 5355-00-668-7896
FSC: 5355
CAGE: 92755 — NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialGLASS
outside_diameter7.375 INCHES NOMINAL IN
style_designatorROUND
material_thickness0.406 INCHES NOMINAL IN
NSN5355-00-668-7896
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WINDOW,DIAL TITLE COMPONENT PN B311-284 MFR WINDOW,DIAL
KEY FEATURES
•
MATERIAL THICKNESS: 0.406 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 7.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
MATERIAL: GLASS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.406 INCHES NOMINAL IN
OUTSIDE DIAMETER7.375 INCHES NOMINAL IN
STYLE DESIGNATORROUND
MATERIALGLASS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
MILG2697TYPEAInterchangeable
interchangeable cross-reference
interchangeable
347Interchangeable
interchangeable cross-reference
interchangeable
20063Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751 TYEInterchangeable
interchangeable cross-reference
interchangeable
10063Interchangeable
interchangeable cross-reference
interchangeable
25151Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B311-284?
B311-284 is a WINDOW,DIAL.
What parts can replace B311-284?
There are 20 known substitutes for B311-284: MILG2697TYPEA, 347, 20063 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B311-284?
B311-284 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-00-668-7896. 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