8574719 — LENS,OPTICAL INSTRUMENT

✓ Government record, cited

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

PRODUCT OVERVIEW

8574719: 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: 2.067 INCHES NOMINAL IN, MATERIAL: GLASS OPTICAL, ABBE CONSTANT: 64.500 AND 32.200, AXIAL THICKNESS: 0.236 INCHES NOMINAL AND 0.158 INCHES NOMINAL IN, REFRACTION INDEX: 1.5170 NOMINAL AND 1.6730 NOMINAL, BACK FOCAL LENGTH: 16.809 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 6650-00-683-9558, 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

8574719

NSN: 6650-00-683-9558
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	2.067 INCHES NOMINAL IN
MATERIAL	GLASS OPTICAL
ABBE CONSTANT	64.500 AND 32.200
AXIAL THICKNESS	0.236 INCHES NOMINAL AND 0.158 INCHES NOMINAL IN
REFRACTION INDEX	1.5170 NOMINAL AND 1.6730 NOMINAL
BACK FOCAL LENGTH	16.809 INCHES IN
COMPOUND LENS STYLE	DOUBLET
FSC APPLICATION DATA	TELESCOPE,M105C,INTEGRATED WITH FIRE CONTROL EQUIPMENT
INDIVIDUAL LENS STYLE	DOUBLE CONVEX AND MENISCUS DIVERGING
EQUIVALENT FOCAL LENGTH	16.883 INCHES IN
ELEMENT LEFT SURFACE RADIUS	10.406 INCHES IN
COMPOUND LENS EDGE THICKNESS	0.3125 INCHES NOMINAL IN
NSN	6650-00-683-9558

COMPONENT DIAGRAM

KEY FEATURES

•

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

•

INDIVIDUAL LENS STYLE: DOUBLE CONVEX AND MENISCUS DIVERGING

•

BACK FOCAL LENGTH: 16.809 INCHES IN

•

ELEMENT LEFT SURFACE RADIUS: 10.406 INCHES IN

•

EQUIVALENT FOCAL LENGTH: 16.883 INCHES IN

•

ELEMENT RIGHT SURFACE RADIUS: 7.551 INCHES IN

•

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

•

DIAMETER: 2.067 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 MENISCUS DIVERGING
BACK FOCAL LENGTH	16.809 INCHES IN
ELEMENT LEFT SURFACE RADIUS	10.406 INCHES IN
EQUIVALENT FOCAL LENGTH	16.883 INCHES IN
ELEMENT RIGHT SURFACE RADIUS	7.551 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE
DIAMETER	2.067 INCHES NOMINAL IN
ABBE CONSTANT	64.500 AND 32.200
AXIAL THICKNESS	0.236 INCHES NOMINAL AND 0.158 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 2

6650006839558Reference document

Same NSN cross-reference

Reference document — Informative reference only

MIL013830Reference document

Same NSN cross-reference

Reference document — Identification reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Demilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is 8574719?

8574719 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 8574719?

There are 2 known substitutes for 8574719: 6650006839558, MIL013830. Substitute compatibility should be verified for your specific system.

What is the NSN for 8574719?

8574719 is cataloged in the U.S. Government catalog under NSN 6650-00-683-9558. This indicates validated use in U.S. government and defense supply chains.

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8574719 — LENS,OPTICAL INSTRUMENT

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