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Technical Data Sheet
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MK30 ✓ Verified by PartsTable
KYOCERA · SFP TRANSCEIVER
WHAT YOU NEED TO KNOW
SR = Short Range (multimode, 300m) | LR = Long Range (single-mode, 10km) DOM = Digital Optical Monitoring — most enterprise SFPs support it
MATCH ALL THREE: Speed + Wavelength + Brand compatibility
PRODUCT OVERVIEW

The RESISTOR,FIXED,WIRE WOUND is a KYOCERA industrial component. Key specifications include special_features: MEASURES DOUBLE LINK DIA, features_provided: COMBINATION GO NOT GO GAGE, gaging_member_outside_diameter: 2.5000 INCHES AND 5.0000 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-421-5571, 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
MK30
NSN: 5961-00-421-5571
FSC: 5961
CAGE: 04713 — FREESCALE SEMICONDUCTOR, INC. (USA)
SPECIFICATIONS
special_featuresMEASURES DOUBLE LINK DIA
features_providedCOMBINATION GO NOT GO GAGE
gaging_member_outside_diameter2.5000 INCHES AND 5.0000 INCHES IN
general_characteristics_item_descriptionCONSISTS OF 1 MICA INSULATOR,1 INSULATING BUSHING,1 MICA WASHER,1 METALWASHER,1 SOLDER LUG,1 HEX NUT,APPLICABLE TO TO-36 CASE
NSN5961-00-421-5571
COMPONENT DIAGRAM
BAIL LATCH 10G SFP+ 850nm · SR (MMF, 300m) DOM: Digital Optical Monitoring TX RX LC DUPLEX 20-PIN EDGE CONNECTOR ~56.5 mm ~13.4mm SFP+ TRANSCEIVER | 10G | 850nm | SR (MMF, 300m) Hot-swappable | LC duplex fiber | DDM/DOM supported TITLE SFP+ XCVR PN MK30 MFR KYOCERA RESISTOR,FIXED,WIRE WOUND
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSISTS OF 1 MICA INSULATOR,1 INSULATING BUSHING,1 MICA WASHER,1 METALWASHER,1 SOLDER LUG,1 HEX NUT,APPLICABLE TO TO-36 CASE
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSISTS OF 1 MICA INSULATOR,1 INSULATING BUSHING,1 MICA WASHER,1 METALWASHER,1 SOLDER LUG,1 HEX NUT,APPLICABLE TO TO-36 CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
51079Interchangeable
interchangeable cross-reference
interchangeable
MK30Interchangeable
interchangeable cross-reference
interchangeable
NCG030Interchangeable
interchangeable cross-reference
interchangeable
1221643Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MK30?
MK30 is a RESISTOR,FIXED,WIRE WOUND manufactured by KYOCERA.
What parts can replace MK30?
There are 4 known substitutes for MK30: 51079, MK30, NCG030 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MK30?
MK30 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-421-5571. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026