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 MOUNTING KIT is a the manufacturer industrial component. 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
1221643
NSN:5961-00-421-5571 FSC:5961 CAGE:16758 — GENERAL MOTORS CORP DELCO ELECTRONICS DIV (USA)
SPECIFICATIONS
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
NSN
5961-00-421-5571
COMPONENT DIAGRAM
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 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
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FREQUENTLY ASKED QUESTIONS
What is 1221643?
1221643 is a MOUNTING KIT.
What parts can replace 1221643?
There are 3 known substitutes for 1221643: 51079, MK30, NCG030. Substitute compatibility should be verified for your specific system.
What is the NSN for 1221643?
1221643 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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