BM4.75 — MOLD,OPTICAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

BM4.75: MOLD,OPTICAL.

The MOLD,OPTICAL is a the manufacturer optical transceiver module designed for high-speed data center interconnects. Key specifications include overall_diameter: 80.000 MILLIMETERS NOMINAL MM, special_features: BLASS BACK SPHERE GLASS MOLD, 4.75, supplementary_features: REPLACEMENT COMPONENT OF P/N GLSBM-180 GLASS BACK MOLDS, part_name_assigned_by_controlling_agency: GLASS BACK SPHERE OPTICAL MOLD 4.75. This part is cataloged in the U.S.

Government catalog under NSN 6540-01-513-7072, 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

BM4.75

NSN: 6540-01-513-7072
FSC: 6540 — Ophthalmic Instruments, Equipment, and Supplies
CAGE: 3CS90 — OPTICAST INC (USA)

SPECIFICATIONS

overall_diameter	80.000 MILLIMETERS NOMINAL MM
special_features	BLASS BACK SPHERE GLASS MOLD, 4.75
supplementary_features	REPLACEMENT COMPONENT OF P/N GLSBM-180 GLASS BACK MOLDS
part_name_assigned_by_controlling_agency	GLASS BACK SPHERE OPTICAL MOLD 4.75
NSN	6540-01-513-7072

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 80.000 MILLIMETERS NOMINAL MM

•

SUPPLEMENTARY FEATURES: REPLACEMENT COMPONENT OF P/N GLSBM-180 GLASS BACK MOLDS

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

OVERALL DIAMETER	80.000 MILLIMETERS NOMINAL MM
SUPPLEMENTARY FEATURES	REPLACEMENT COMPONENT OF P/N GLSBM-180 GLASS BACK MOLDS
SPECIAL FEATURES	BLASS BACK SPHERE GLASS MOLD, 4.75
PART NAME ASSIGNED BY CONTROLLING AGENCY	GLASS BACK SPHERE OPTICAL MOLD 4.75

SUBSTITUTES & CROSS-REFERENCES 2

6540NCM031489Reference document

Same NSN cross-reference

Reference document — Secondary reference

03-1786Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is BM4.75?

BM4.75 is a MOLD,OPTICAL.

What parts can replace BM4.75?

There are 2 known substitutes for BM4.75: 6540NCM031489, 03-1786. Substitute compatibility should be verified for your specific system.

What is the NSN for BM4.75?

BM4.75 is cataloged in the U.S. Government catalog under NSN 6540-01-513-7072. This indicates validated use in U.S. government and defense supply chains.

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BM4.75 — MOLD,OPTICAL

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