NEMA frame determines mounting bolt pattern TEFC for outdoor, ODP for dry indoor only
C-face vs foot-mount — different mounting
PRODUCT OVERVIEW
The PRINTED CIRCUIT BOARD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: CONCAVE, stem_style: DOUBLE GROOVED, head_height: 0.1450 INCHES NOMINAL IN, neck_radius: 0.2000 INCHES NOMINAL IN, stem_length: 4.6180 INCHES NOMINAL 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 6105-00-315-7056, 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 2121578?
2121578 is a PRINTED CIRCUIT BOARD.
What parts can replace 2121578?
There are 3 known substitutes for 2121578: 2121578, V1855N005, 1700.005. Substitute compatibility should be verified for your specific system.
What is the NSN for 2121578?
2121578 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-00-315-7056. This indicates validated use in U.S. government and defense supply chains.
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