The RING,WEARING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4320-00-301-4773, 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
1-557M
NSN:4320-00-301-4773 FSC:4320 — Power and Hand Pumps CAGE:16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
Part Number
1-557M
NSN
4320-00-301-4773
COMPONENT DIAGRAM
OTHER ITEMS IN FSC 4320 — Power and Hand Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 1-557M?
1-557M is a RING,WEARING.
What parts can replace 1-557M?
There is 1 known substitute for 1-557M: G-10246. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-557M?
1-557M is cataloged in the U.S. Government catalog under NSN 4320-00-301-4773. This indicates validated use in U.S. government and defense supply chains.
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