Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, hardness_rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM, center_hole_diameter: 1.290 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, material_document_and_classification: MIL-R-83485 MIL SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-388-9212, 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 ST1946-027?
ST1946-027 is a O-RING.
What parts can replace ST1946-027?
There are 27 known substitutes for ST1946-027: M83485/1-029, AMS-R-83485, 5331012727464 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST1946-027?
ST1946-027 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-388-9212. This indicates validated use in U.S. government and defense supply chains.
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