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 NITRILE SEALING ELEMENT, case_style: SQUARE, seal_width: 0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN, outside_diameter: 6.256 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 6.254 INCHES MINIMUM AND 6.257 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-363-0276, 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
6574398 PART 28
NSN:5330-01-363-0276 FSC:5330 CAGE:53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
material
RUBBER BUTADIENE NITRILE SEALING ELEMENT
case_style
SQUARE
seal_width
0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
outside_diameter
6.256 INCHES NOMINAL IN
surface_treatment
PLASTIC CASE
housing_bore_diameter
6.254 INCHES MINIMUM AND 6.257 INCHES MAXIMUM IN
sealing_element_style
ANGULAR
accommodated_shaft_diameter
4.938 INCHES NOMINAL IN
NSN
5330-01-363-0276
COMPONENT DIAGRAM
KEY FEATURES
•
SEAL WIDTH: 0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
•
OUTSIDE DIAMETER: 6.256 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE NITRILE SEALING ELEMENT
•
ACCOMMODATED SHAFT DIAMETER: 4.938 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
HOUSING BORE DIAMETER: 6.254 INCHES MINIMUM AND 6.257 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is 6574398 PART 28?
6574398 PART 28 is a SEAL,PLAIN ENCASED.
What parts can replace 6574398 PART 28?
There are 6 known substitutes for 6574398 PART 28: 49301, 61185, 15525 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6574398 PART 28?
6574398 PART 28 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-363-0276. This indicates validated use in U.S. government and defense supply chains.
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