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12266720 — Technical Data Sheet

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U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM · 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,OPTICAL INSTRUMENT is a U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM optical transceiver module designed for high-speed data center interconnects. Key specifications include DIAMETER: 0.811 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN, MATERIAL: GLASS OPTICAL, AXIAL THICKNESS: 0.2069 INCHES MINIMUM AND 0.2079 INCHES MAXIMUM IN, SINGLE LENS STYLE: PLANO-CONVEX, ELEMENT LEFT SURFACE RADIUS: 16.0448 MILLIMETERS MM, ELEMENT RIGHT SURFACE RADIUS: 16.0448 MILLIMETERS MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 6650-01-064-3557, 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
12266720
NSN: 6650-01-064-3557
FSC: 6650
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
DIAMETER0.811 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
MATERIALGLASS OPTICAL
AXIAL THICKNESS0.2069 INCHES MINIMUM AND 0.2079 INCHES MAXIMUM IN
SINGLE LENS STYLEPLANO-CONVEX
ELEMENT LEFT SURFACE RADIUS16.0448 MILLIMETERS MM
ELEMENT RIGHT SURFACE RADIUS16.0448 MILLIMETERS MM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-174,TYPEBK-7 MIL SPEC SINGLE MATERIAL RESPONSE
NSN6650-01-064-3557
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM LENS,OPTICAL INSTRUMENT TITLE COMPONENT PN 12266720 MFR U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM LENS,OPTICAL INSTRUMEN
KEY FEATURES
•
ELEMENT LEFT SURFACE RADIUS: 16.0448 MILLIMETERS MM
•
MATERIAL: GLASS OPTICAL
•
DIAMETER: 0.811 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-174,TYPEBK-7 MIL SPEC SINGLE MATERIAL RESPONSE
•
AXIAL THICKNESS: 0.2069 INCHES MINIMUM AND 0.2079 INCHES MAXIMUM IN
•
ELEMENT RIGHT SURFACE RADIUS: 16.0448 MILLIMETERS MM
•
SINGLE LENS STYLE: PLANO-CONVEX
TYPICAL APPLICATIONS
  • Data center switch-to-switch interconnects
  • Server-to-storage fabric connectivity
  • Long-distance fiber optic links
  • High-speed uplink connections (10G/25G/40G/100G)
TECHNICAL CHARACTERISTICS
ELEMENT LEFT SURFACE RADIUS16.0448 MILLIMETERS MM
MATERIALGLASS OPTICAL
DIAMETER0.811 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-174,TYPEBK-7 MIL SPEC SINGLE MATERIAL RESPONSE
AXIAL THICKNESS0.2069 INCHES MINIMUM AND 0.2079 INCHES MAXIMUM IN
ELEMENT RIGHT SURFACE RADIUS16.0448 MILLIMETERS MM
SINGLE LENS STYLEPLANO-CONVEX
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
42031InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SM-C-544653InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
ST70D28-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
42031-0338InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
12449381-2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2026020-2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12266720?
12266720 is a LENS,OPTICAL INSTRUMENT manufactured by U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM.
What parts can replace 12266720?
There are 6 known substitutes for 12266720: 42031, SM-C-544653, ST70D28-1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12266720?
12266720 is cataloged in the Federal Logistics Information System under NSN 6650-01-064-3557. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026