Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC, overall_diameter: 1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-171-2436, 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 4270-18Y?
4270-18Y is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 4270-18Y?
There are 28 known substitutes for 4270-18Y: M5501/1-R6, MILC5501, MIL-C-5501/1 and 25 more. Substitute compatibility should be verified for your specific system.
Is 4270-18Y still available?
4270-18Y is currently cancelled.
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