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Technical Data Sheet
PartsTable / COMPONENT / 20053B
20053B ✓ 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 ADAPTER SET,ALIGNMENT is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CONSISTS OF 1 EA SPACER DISK,LARGE; 1 EA SPACER DISK,SMALL; 1 EA CARTON AND 1 EA CARTON LABEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4910-00-163-3026, 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
20053B
NSN: 4910-00-163-3026
FSC: 4910
CAGE: 06365 — BEAR MFG CORP
SPECIFICATIONS
general_characteristics_item_descriptionCONSISTS OF 1 EA SPACER DISK,LARGE; 1 EA SPACER DISK,SMALL; 1 EA CARTON AND 1 EA CARTON LABEL
NSN4910-00-163-3026
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ADAPTER SET,ALIGNMENT TITLE COMPONENT PN 20053B MFR ADAPTER SET,ALIGNMENT
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSISTS OF 1 EA SPACER DISK,LARGE; 1 EA SPACER DISK,SMALL; 1 EA CARTON AND 1 EA CARTON LABEL
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSISTS OF 1 EA SPACER DISK,LARGE; 1 EA SPACER DISK,SMALL; 1 EA CARTON AND 1 EA CARTON LABEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
53153Interchangeable
interchangeable cross-reference
interchangeable
110 53/64Interchangeable
interchangeable cross-reference
interchangeable
MILR26Interchangeable
interchangeable cross-reference
interchangeable
4139013350Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-26/2Interchangeable
interchangeable cross-reference
interchangeable
20053Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20053B?
20053B is a ADAPTER SET,ALIGNMENT.
What parts can replace 20053B?
There are 17 known substitutes for 20053B: 53153, 110 53/64, MILR26 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20053B?
20053B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4910-00-163-3026. 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