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BK9 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include color: NATURAL, width: 2.500 INCHES IN, length: 2.500 INCHES IN, thickness: 0.125 INCHES IN, transparency: CLEAR, temper_characteristic: TEMPERED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5620-00-153-4685, 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
BK9
NSN: 5620-00-153-4685
FSC: 5620
CAGE: 90598 — ENGINEERED AIR SYSTEMS, INC. DBA DRS SUSTAINMENT SYSTEMS (USA)
SPECIFICATIONS
colorNATURAL
width2.500 INCHES IN
length2.500 INCHES IN
thickness0.125 INCHES IN
transparencyCLEAR
temper_characteristicTEMPERED
thickness_edge_finishGROUND
side_one_surface_treatmentNO SPECIAL TREATMENT OTHER THAN INITIAL FIRE FINISH
side_two_surface_treatmentNO SPECIAL TREATMENT OTHER THAN INITIAL FIRE FINISH
NSN5620-00-153-4685
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GASKET TITLE COMPONENT PN BK9 MFR GASKET
KEY FEATURES
•
QUALITY: GLAZING
•
LENGTH: 2.500 INCHES IN
•
THICKNESS: 0.125 INCHES IN
•
COLOR: NATURAL
•
WIDTH: 2.500 INCHES IN
•
SIDE TWO SURFACE TREATMENT: NO SPECIAL TREATMENT OTHER THAN INITIAL FIRE FINISH
•
TEMPER CHARACTERISTIC: TEMPERED
•
TRANSPARENCY: CLEAR
TECHNICAL CHARACTERISTICS (FLIS)
QUALITYGLAZING
LENGTH2.500 INCHES IN
THICKNESS0.125 INCHES IN
COLORNATURAL
WIDTH2.500 INCHES IN
SIDE TWO SURFACE TREATMENTNO SPECIAL TREATMENT OTHER THAN INITIAL FIRE FINISH
TEMPER CHARACTERISTICTEMPERED
TRANSPARENCYCLEAR
SIDE ONE SURFACE TREATMENTNO SPECIAL TREATMENT OTHER THAN INITIAL FIRE FINISH
THICKNESS EDGE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
C52-1098Interchangeable
interchangeable cross-reference
interchangeable
ABT7740Interchangeable
interchangeable cross-reference
interchangeable
7740Interchangeable
interchangeable cross-reference
interchangeable
HOLLISTER STOMA LUBRICANTInterchangeable
interchangeable cross-reference
interchangeable
7700Interchangeable
interchangeable cross-reference
interchangeable
161B800Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BK9?
BK9 is a GASKET.
What parts can replace BK9?
There are 17 known substitutes for BK9: C52-1098, ABT7740, 7740 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BK9?
BK9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5620-00-153-4685. 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