1262789 — CELL,OPTICAL ELEMENT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

1262789: CELL,OPTICAL ELEMENT.

The CELL,OPTICAL ELEMENT is a the manufacturer optical transceiver module designed for high-speed data center interconnects. Key specifications include material: ALUMINUM ALLOY, drive_type: DRILLED HOLE, thread_size: 1 7/8-32 AND 2 5/64-32, thread_class: 2B AND 2A A, thread_length: 0.300 INCHES AND 0.376 INCHES IN, overall_length: 1.836 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 1240-00-210-4393, 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

1262789

NSN: 1240-00-210-4393
FSC: 1240 — Optical Sighting and Ranging Equipment
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY
drive_type	DRILLED HOLE
thread_size	1 7/8-32 AND 2 5/64-32
thread_class	2B AND 2A A
thread_length	0.300 INCHES AND 0.376 INCHES IN
overall_length	1.836 INCHES NOMINAL IN
thread_location	INTERNAL AND EXTERNAL
chamfer_location	THREADED END
overall_diameter	2.250 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
eccentric_construction	PROVIDED
thread_pitch_diameters	+1.8547 TO 1.8600 INCHES AND +2.0679 TO 2.0721 INCHES IN
NSN	1240-00-210-4393

COMPONENT DIAGRAM

KEY FEATURES

•

ELEMENT SECURING METHOD: EXTERNAL THREAD

•

CELL ECCENTRICITY FROM GEOMETRIC AXIS: 0.001 INCHES IN

•

OVERALL DIAMETER: 2.250 INCHES NOMINAL IN

•

DRIVE TYPE: DRILLED HOLE

•

ECCENTRIC CONSTRUCTION: PROVIDED

•

THREAD PITCH DIAMETERS: +1.8547 TO 1.8600 INCHES AND +2.0679 TO 2.0721 INCHES IN

•

THREAD LENGTH: 0.300 INCHES AND 0.376 INCHES 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

ELEMENT SECURING METHOD	EXTERNAL THREAD
CELL ECCENTRICITY FROM GEOMETRIC AXIS	0.001 INCHES IN
OVERALL DIAMETER	2.250 INCHES NOMINAL IN
DRIVE TYPE	DRILLED HOLE
ECCENTRIC CONSTRUCTION	PROVIDED
THREAD PITCH DIAMETERS	+1.8547 TO 1.8600 INCHES AND +2.0679 TO 2.0721 INCHES IN
OVERALL LENGTH	1.836 INCHES NOMINAL IN
THREAD LENGTH	0.300 INCHES AND 0.376 INCHES IN
THREAD LOCATION	INTERNAL AND EXTERNAL
CHAMFER LOCATION	THREADED END

OTHER ITEMS IN FSC 1240 — Optical Sighting and Ranging Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

1240-00-764-4734 1240-00-987-5071 1240-01-068-6676 1240-01-082-8849 1240-01-090-0609 1240-01-102-4266 1240-01-110-9897 1240-01-361-6090

SUBSTITUTES & CROSS-REFERENCES 1

789PC2Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Demilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is 1262789?

1262789 is a CELL,OPTICAL ELEMENT.

What parts can replace 1262789?

There is 1 known substitute for 1262789: 789PC2. Substitute compatibility should be verified for your specific system.

What is the NSN for 1262789?

1262789 is cataloged in the U.S. Government catalog under NSN 1240-00-210-4393. This indicates validated use in U.S. government and defense supply chains.

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1262789 — CELL,OPTICAL ELEMENT

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