PartsTable
Technical Data Sheet
PartsTable / COMPONENT / MIL026901CLASS1SIZE9
MIL026901CLASS1SIZE9 ✓ 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 OPTICAL FLAT is a the manufacturer optical transceiver module designed for high-speed data center interconnects. Key specifications include diameter: 2.000 INCHES NOMINAL IN, material: QUARTZ, thickness: 0.625 INCHES NOMINAL IN, design_type: MASTER DOUBLE, nondefinitive_spec/std_data: 1 CLASS AND 9 SIZE, working_surface_flatness_accuracy: 0.00000200 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5210-00-213-9061, 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
MIL026901CLASS1SIZE9
NSN: 5210-00-213-9061
FSC: 5210
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
diameter2.000 INCHES NOMINAL IN
materialQUARTZ
thickness0.625 INCHES NOMINAL IN
design_typeMASTER DOUBLE
nondefinitive_spec/std_data1 CLASS AND 9 SIZE
working_surface_flatness_accuracy0.00000200 INCHES NOMINAL IN
NSN5210-00-213-9061
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available OPTICAL FLAT TITLE COMPONENT PN MIL026901CLASS1SIZE9 MFR OPTICAL FLAT
KEY FEATURES
•
CASE: PROVIDED
•
DIAMETER: 2.000 INCHES NOMINAL IN
•
MATERIAL: QUARTZ
•
NONDEFINITIVE SPEC/STD DATA: 1 CLASS AND 9 SIZE
•
WORKING SURFACE FLATNESS ACCURACY: 0.00000200 INCHES NOMINAL IN
•
DESIGN TYPE: MASTER DOUBLE
•
THICKNESS: 0.625 INCHES NOMINAL IN
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 (FLIS)
CASEPROVIDED
DIAMETER2.000 INCHES NOMINAL IN
MATERIALQUARTZ
NONDEFINITIVE SPEC/STD DATA1 CLASS AND 9 SIZE
WORKING SURFACE FLATNESS ACCURACY0.00000200 INCHES NOMINAL IN
DESIGN TYPEMASTER DOUBLE
THICKNESS0.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
3200-872Interchangeable
interchangeable cross-reference
interchangeable
1120HBC100DCUAInterchangeable
interchangeable cross-reference
interchangeable
049910-412Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy MIL026901CLASS1SIZE9?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is MIL026901CLASS1SIZE9?
MIL026901CLASS1SIZE9 is a OPTICAL FLAT.
What parts can replace MIL026901CLASS1SIZE9?
There are 3 known substitutes for MIL026901CLASS1SIZE9: 3200-872, 1120HBC100DCUA, 049910-412. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL026901CLASS1SIZE9?
MIL026901CLASS1SIZE9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5210-00-213-9061. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — MIL026901CLASS1SIZE9

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026