8574727 — WINDOW,OPTICAL INSTRUMENT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

8574727: WINDOW,OPTICAL INSTRUMENT.

The WINDOW,OPTICAL INSTRUMENT is a the manufacturer optical transceiver module designed for high-speed data center interconnects. Key specifications include diameter: 42.8626 MILLIMETERS NOMINAL MM, material: GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED, thickness: 3.1750 MILLIMETERS NOMINAL MM, polished_surface: BOTH, refraction_index: 1.5170 NOMINAL, polished_periphery: NOT PROVIDED. This part is cataloged in the U.S.

Government catalog under NSN 1240-00-683-9127, 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

8574727

NSN: 1240-00-683-9127
FSC: 1240 — Optical Sighting and Ranging Equipment
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)

SPECIFICATIONS

diameter	42.8626 MILLIMETERS NOMINAL MM
material	GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED
thickness	3.1750 MILLIMETERS NOMINAL MM
polished_surface	BOTH
refraction_index	1.5170 NOMINAL
polished_periphery	NOT PROVIDED
fsc_application_data	TELESCOPE,105C,INTEGRATED WITH FIRE CONTROL EQUIPMENT
material_document_and_classification	JAN-G-174, TYPE 517-645, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
NSN	1240-00-683-9127

COMPONENT DIAGRAM

KEY FEATURES

•

FSC APPLICATION DATA: TELESCOPE,105C,INTEGRATED WITH FIRE CONTROL EQUIPMENT

•

MATERIAL DOCUMENT AND CLASSIFICATION: JAN-G-174, TYPE 517-645, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED

•

DIAMETER: 42.8626 MILLIMETERS NOMINAL MM

•

POLISHED PERIPHERY: NOT PROVIDED

•

MATERIAL: GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED

•

REFRACTION INDEX: 1.5170 NOMINAL

•

POLISHED SURFACE: BOTH

•

THICKNESS: 3.1750 MILLIMETERS NOMINAL MM

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,105C,INTEGRATED WITH FIRE CONTROL EQUIPMENT
MATERIAL DOCUMENT AND CLASSIFICATION	JAN-G-174, TYPE 517-645, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
DIAMETER	42.8626 MILLIMETERS NOMINAL MM
POLISHED PERIPHERY	NOT PROVIDED
MATERIAL	GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED
REFRACTION INDEX	1.5170 NOMINAL
POLISHED SURFACE	BOTH
THICKNESS	3.1750 MILLIMETERS NOMINAL MM

SUBSTITUTES & CROSS-REFERENCES 2

MIL013830Reference document

Same NSN cross-reference

Reference document — Identification reference

1240006839127Reference 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 8574727?

8574727 is a WINDOW,OPTICAL INSTRUMENT.

What parts can replace 8574727?

There are 2 known substitutes for 8574727: MIL013830, 1240006839127. Substitute compatibility should be verified for your specific system.

What is the NSN for 8574727?

8574727 is cataloged in the U.S. Government catalog under NSN 1240-00-683-9127. This indicates validated use in U.S. government and defense supply chains.

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8574727 — WINDOW,OPTICAL INSTRUMENT

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