8574705 — LENS,OPTICAL INSTRUMENT

✓ Government record, cited

COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE · COMPONENT

PRODUCT OVERVIEW

8574705: LENS,OPTICAL INSTRUMENT.

The LENS,OPTICAL INSTRUMENT is a COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE optical transceiver module designed for high-speed data center interconnects. Key specifications include DIAMETER: 1.629 INCHES NOMINAL IN, MATERIAL: GLASS OPTICAL, ABBE CONSTANT: 58.800 AND 32.200, AXIAL THICKNESS: 0.807 INCHES NOMINAL AND 0.161 INCHES NOMINAL IN, REFRACTION INDEX: 1.6110 NOMINAL AND 1.6730 NOMINAL, BACK FOCAL LENGTH: 2.359 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 6650-00-683-9552, 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

8574705

NSN: 6650-00-683-9552
FSC: 6650 — Optical Instruments, Test Equipment, Components and Accessories
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)

SPECIFICATIONS

DIAMETER	1.629 INCHES NOMINAL IN
MATERIAL	GLASS OPTICAL
ABBE CONSTANT	58.800 AND 32.200
AXIAL THICKNESS	0.807 INCHES NOMINAL AND 0.161 INCHES NOMINAL IN
REFRACTION INDEX	1.6110 NOMINAL AND 1.6730 NOMINAL
BACK FOCAL LENGTH	2.359 INCHES IN
COMPOUND LENS STYLE	DOUBLET
FSC APPLICATION DATA	TELESCOPE,M105C,INTEGRATED WITH FIRE CONTROL EQUIPMENT
INDIVIDUAL LENS STYLE	DOUBLE CONVEX AND PLANO-CONCAVE
EQUIVALENT FOCAL LENGTH	3.030 INCHES IN
ELEMENT LEFT SURFACE RADIUS	1.635 INCHES IN
COMPOUND LENS EDGE THICKNESS	0.375 INCHES NOMINAL IN
NSN	6650-00-683-9552

COMPONENT DIAGRAM

KEY FEATURES

•

FSC APPLICATION DATA: TELESCOPE,M105C,INTEGRATED WITH FIRE CONTROL EQUIPMENT

•

INDIVIDUAL LENS STYLE: DOUBLE CONVEX AND PLANO-CONCAVE

•

BACK FOCAL LENGTH: 2.359 INCHES IN

•

ELEMENT LEFT SURFACE RADIUS: 1.635 INCHES IN

•

EQUIVALENT FOCAL LENGTH: 3.030 INCHES IN

•

ELEMENT RIGHT SURFACE RADIUS: 2.523 INCHES IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE

•

DIAMETER: 1.629 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

FSC APPLICATION DATA	TELESCOPE,M105C,INTEGRATED WITH FIRE CONTROL EQUIPMENT
INDIVIDUAL LENS STYLE	DOUBLE CONVEX AND PLANO-CONCAVE
BACK FOCAL LENGTH	2.359 INCHES IN
ELEMENT LEFT SURFACE RADIUS	1.635 INCHES IN
EQUIVALENT FOCAL LENGTH	3.030 INCHES IN
ELEMENT RIGHT SURFACE RADIUS	2.523 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE
DIAMETER	1.629 INCHES NOMINAL IN
ABBE CONSTANT	58.800 AND 32.200
AXIAL THICKNESS	0.807 INCHES NOMINAL AND 0.161 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 2

MIL013830Reference document

Same NSN cross-reference

Reference document — Identification reference

1240006839552Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Demilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is 8574705?

8574705 is a LENS,OPTICAL INSTRUMENT manufactured by COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE.

What parts can replace 8574705?

There are 2 known substitutes for 8574705: MIL013830, 1240006839552. Substitute compatibility should be verified for your specific system.

What is the NSN for 8574705?

8574705 is cataloged in the U.S. Government catalog under NSN 6650-00-683-9552. This indicates validated use in U.S. government and defense supply chains.

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8574705 — LENS,OPTICAL INSTRUMENT

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