The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-271-8291, 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
GR557B
NSN:5331-01-271-8291 FSC:5331 — O-ring CAGE:16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
Part Number
GR557B
NSN
5331-01-271-8291
COMPONENT DIAGRAM
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is GR557B?
GR557B is a O-RING.
What parts can replace GR557B?
There is 1 known substitute for GR557B: G14671 PIECE 57. Substitute compatibility should be verified for your specific system.
What is the NSN for GR557B?
GR557B is cataloged in the U.S. Government catalog under NSN 5331-01-271-8291. This indicates validated use in U.S. government and defense supply chains.
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