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 BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -55.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 6.464 INCHES MINIMUM AND 6.560 INCHES MAXIMUM IN, center_hole_diameter: 6.211 INCHES MINIMUM AND 6.257 INCHES MAXIMUM IN, elongation_percentage: 260 MAXIMUM. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-111-3756, 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
437-3501
NSN:5331-00-111-3756 FSC:5331 — O-RING CAGE:A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating
-55.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
hardness_rating
70.0 SHORE DUROMETER A NOMINAL
outside_diameter
6.464 INCHES MINIMUM AND 6.560 INCHES MAXIMUM IN
center_hole_diameter
6.211 INCHES MINIMUM AND 6.257 INCHES MAXIMUM IN
elongation_percentage
260 MAXIMUM
cross-sectional_height
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN
5331-00-111-3756
COMPONENT DIAGRAM
KEY FEATURES
•
CENTER HOLE DIAMETER: 6.211 INCHES MINIMUM AND 6.257 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 6.464 INCHES MINIMUM AND 6.560 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
TEMP RATING: -55.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
•
ELONGATION PERCENTAGE: 260 MAXIMUM
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
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FREQUENTLY ASKED QUESTIONS
What is 437-3501?
437-3501 is a O-RING.
What parts can replace 437-3501?
There are 21 known substitutes for 437-3501: 6X814, 34806S2, 91X7R and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 437-3501?
437-3501 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-111-3756. This indicates validated use in U.S. government and defense supply chains.
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