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297931 — LENS BLANK,OPHTHALMIC,MULTIFOCAL

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

297931: LENS BLANK,OPHTHALMIC,MULTIFOCAL.

LENS BLANK,OPHTHALMIC,MULTIFOCAL. Key specifications include end_item_identification: LEWIS WRD SERIES ULTRASONIC CLEANER, part_name_assigned_by_controlling_agency: CONTROL, LIQUID LEVEL. This part is cataloged in the U.S.

Government catalog under NSN 6540-01-614-4093, 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
MRO→ MRO_GENERAL→ 297931
NSN: 6540-01-614-4093
NIINs: 016144093, 016779475
FSC: 6540 — Ophthalmic Instruments, Equipment, and Supplies
CAGE: 89875 — DEFENSE LOGISTICS AGENCY DIRECTORATE OF MEDICAL MATERIEL DEFENSE SUPPLY CENTER PHILADELPHIA (USA)
SPECIFICATIONS
special_featuresMULTIFOCAL LENS 75 MM FT28 4 BASE 3.00 ADD LEFT; FOR USE WITH END ITEM NSN 6540-01-604-9603 MULTIVISION FABRICATION SYSTEM MM
end_item_identificationLEWIS WRD SERIES ULTRASONIC CLEANER
part_name_assigned_by_controlling_agencyCONTROL, LIQUID LEVEL
NSN6540-01-614-4093
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LENS BLANK,OPHTHALMIC,MULTIFOCAL TITLE COMPONENT PN 297931 MFR LENS BLANK,OPHTHALMIC,
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESMULTIFOCAL LENS 75 MM FT28 4 BASE 3.00 ADD LEFT; FOR USE WITH END ITEM NSN 6540-01-604-9603 MULTIVISION FABRICATION SYSTEM MM
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS MULTIFOCAL 75MM FT28 4 BASE 3.00 ADD LEFT MM
END ITEM IDENTIFICATION6540-01-604-9603 OPHTHALMIC LENS FABRICATION SYSTEM
SUBSTITUTES & CROSS-REFERENCES 1
6540NCM128766Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 297931?
297931 is a LENS BLANK,OPHTHALMIC,MULTIFOCAL. It is classified as a MRO (MRO_GENERAL).
What parts can replace 297931?
There is 1 known substitute for 297931: 6540NCM128766. Substitute compatibility should be verified for your specific system.
What is the NSN for 297931?
297931 is cataloged in the U.S. Government catalog under NSN 6540-01-614-4093. This indicates validated use in U.S. government and defense supply chains.
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