Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW
The KEY,TELETYPEWRITER is a the manufacturer industrial component. Key specifications include FSC APPLICATION DATA: TELETYPE AND FACSIMILE EQUIPMENT. This part is cataloged in the Federal Logistics Information System under NSN 5315-00-547-7888, 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.
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FREQUENTLY ASKED QUESTIONS
What is 550LX?
550LX is a KEY,TELETYPEWRITER.
What parts can replace 550LX?
There are 24 known substitutes for 550LX: 8-60919-9, 8-60919-5, 13159 and 21 more. Substitute compatibility should be verified for your specific system.
Is 550LX still available?
550LX is currently cancelled.
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