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PartsTable / COMPONENT / RT-236R
RT-236R ✓ 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 PROTRACTOR,OPHTHALMIC is a the manufacturer industrial component. Key specifications include special_features: RED RIGHT MINUS AXIS PROTRACTOR FOR THE PHOROPTER MINUS CYLINDRICAL LENS TYPE; END ITEM NSN 6540-00-877-6464, part_name_assigned_by_controlling_agency: PROTRACTOR AXIS RED RIGHT FOR USE W/6540-00-877-6464. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6540-01-552-8331, 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
RT-236R
NSN: 6540-01-552-8331
FSC: 6540
CAGE: 63381 — LOMBART BROTHERS, INC DBA MARCO LOMBART DIV MARCO LOMBART (USA)
SPECIFICATIONS
special_featuresRED RIGHT MINUS AXIS PROTRACTOR FOR THE PHOROPTER MINUS CYLINDRICAL LENS TYPE; END ITEM NSN 6540-00-877-6464
part_name_assigned_by_controlling_agencyPROTRACTOR AXIS RED RIGHT FOR USE W/6540-00-877-6464
NSN6540-01-552-8331
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PROTRACTOR,OPHTHALMIC TITLE COMPONENT PN RT-236R MFR PROTRACTOR,OPHTHALMIC
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYPROTRACTOR AXIS RED RIGHT FOR USE W/6540-00-877-6464
SPECIAL FEATURESRED RIGHT MINUS AXIS PROTRACTOR FOR THE PHOROPTER MINUS CYLINDRICAL LENS TYPE; END ITEM NSN 6540-00-877-6464
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
2853Upgraded Successor
successor cross-reference
successor
7131Upgraded Successor
successor cross-reference
successor
9117921Upgraded Successor
successor cross-reference
successor
PMA-4L4718Interchangeable
interchangeable cross-reference
interchangeable
AF-333Interchangeable
interchangeable cross-reference
interchangeable
232Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RT-236R?
RT-236R is a PROTRACTOR,OPHTHALMIC.
What parts can replace RT-236R?
There are 14 known substitutes for RT-236R: 2853, 7131, 9117921 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RT-236R?
RT-236R is cataloged in the Federal Logistics Information System (FLIS) under NSN 6540-01-552-8331. 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