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PartsTable / COMPONENT / LENS,M4.25SPH,2BC,71MM DIA
LENS,M4.25SPH,2BC,71MM DIA ✓ 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 LENS,M4.25SPH,2BC,71MM DIA is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6540-00-001-0149, 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
LENS,M4.25SPH,2BC,71MM DIA
NSN: 6540-00-001-0149
FSC: 6540
CAGE: 92083 — HIS VISION INC (USA)
SPECIFICATIONS
Part NumberLENS,M4.25SPH,2BC,71MM DIA
NSN6540-00-001-0149
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LENS,M4.25SPH,2BC,71MM DIA TITLE COMPONENT PN LENS,M4.25SPH,2BC,71MM DIA MFR LENS,M4.25SPH,2BC,71MM
KEY FEATURES
•
THICKNESS: 1.6 MILLIMETERS NOMINAL MM
•
DIAMETER: 71.0 MILLIMETERS MINIMUM MM
•
CUBIC MEASURE: 1.100 CUBIC FEET
•
MATERIAL: PLASTIC SINGLE VISION
•
STYLE DESIGNATOR: ROUND
•
SUPPLEMENTARY FEATURES: UNCUT
•
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY DIAMETER
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS1.6 MILLIMETERS NOMINAL MM
DIAMETER71.0 MILLIMETERS MINIMUM MM
CUBIC MEASURE1.100 CUBIC FEET
MATERIALPLASTIC SINGLE VISION
STYLE DESIGNATORROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYLENS OPHTHALMIC SPHERE PLAS MINUS 4.25 SPHERE CURVE INS DIOPTER
SUPPLEMENTARY FEATURESUNCUT
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY DIAMETER
SPHERE CURVE INSIDE DIOPTER4.25 MINUS MAXIMUM
NONDEFINITIVE SPEC/STD DATA1 STYLE AND A CLASS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
M425Upgraded Successor
successor cross-reference
successor
102637Interchangeable
interchangeable cross-reference
interchangeable
18317PCM425Interchangeable
interchangeable cross-reference
interchangeable
SCD15903AM0LDM425Interchangeable
interchangeable cross-reference
interchangeable
19-946-84Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-25/15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LENS,M4.25SPH,2BC,71MM DIA?
LENS,M4.25SPH,2BC,71MM DIA is a LENS,M4.25SPH,2BC,71MM DIA.
What parts can replace LENS,M4.25SPH,2BC,71MM DIA?
There are 9 known substitutes for LENS,M4.25SPH,2BC,71MM DIA: M425, 102637, 18317PCM425 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LENS,M4.25SPH,2BC,71MM DIA?
LENS,M4.25SPH,2BC,71MM DIA is cataloged in the Federal Logistics Information System (FLIS) under NSN 6540-00-001-0149. 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