Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT B, case_style: SQUARE, seal_width: 0.438 INCHES NOMINAL IN, outside_diameter: 5.256 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 5.250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System under NSN 5330-00-068-0234, 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
511438
NSN:5330-00-068-0234 FSC:5330 CAGE:80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT B
case_style
SQUARE
seal_width
0.438 INCHES NOMINAL IN
outside_diameter
5.256 INCHES NOMINAL IN
surface_treatment
PLASTIC CASE
housing_bore_diameter
5.250 INCHES NOMINAL IN
sealing_element_style
VERTICAL-ANGULAR
accommodated_shaft_diameter
4.000 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed
2500 FEET PER MINUTE FT
NSN
5330-00-068-0234
COMPONENT DIAGRAM
KEY FEATURES
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2500 FEET PER MINUTE FT
•
OUTSIDE DIAMETER: 5.256 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 4.000 INCHES NOMINAL IN
•
MATERIAL: WOOL SEALING ELEMENT A
•
SURFACE TREATMENT: PLASTIC CASE
•
SEALING ELEMENT STYLE: VERTICAL-ANGULAR
•
CASE STYLE: SQUARE
TECHNICAL CHARACTERISTICS
ACCOMMODATED SHAFT MAXIMUM RATED SPEED
2500 FEET PER MINUTE FT
OUTSIDE DIAMETER
5.256 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER
4.000 INCHES NOMINAL IN
MATERIAL
WOOL SEALING ELEMENT A
SURFACE TREATMENT
PLASTIC CASE
SEALING ELEMENT STYLE
VERTICAL-ANGULAR
CASE STYLE
SQUARE
MATERIAL
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT B
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FREQUENTLY ASKED QUESTIONS
What is 511438?
511438 is a SEAL,PLAIN ENCASED.
What parts can replace 511438?
There are 10 known substitutes for 511438: 39998, 99-0921, ES1084 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 511438?
511438 is cataloged in the Federal Logistics Information System under NSN 5330-00-068-0234. This indicates validated use in U.S. government and defense supply chains.
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