Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: PLASTIC, design_type: FRICTION. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-007-8097, 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 BL-501?
BL-501 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace BL-501?
There are 11 known substitutes for BL-501: 1550ADX, 140-27N, 1470 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BL-501?
BL-501 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-007-8097. This indicates validated use in U.S. government and defense supply chains.
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