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: STEEL CASE, case_style: SQUARE, seal_width: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN, outside_diameter: 2.066 INCHES NOMINAL IN, special_features: FLANGE ON OUTER CASING, surface_treatment: PLASTIC CASE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-297-6253, 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
668959
NSN:5330-00-297-6253 FSC:5330 CAGE:56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
material
STEEL CASE
case_style
SQUARE
seal_width
0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
outside_diameter
2.066 INCHES NOMINAL IN
special_features
FLANGE ON OUTER CASING
surface_treatment
PLASTIC CASE
housing_bore_diameter
5.7435 INCHES MINIMUM AND 5.7465 INCHES MAXIMUM IN
sealing_element_style
ANGULAR
accommodated_shaft_diameter
2.438 INCHES NOMINAL IN
nondefinitive_spec/std_data
1 2 OR 3 CLASS
NSN
5330-00-297-6253
COMPONENT DIAGRAM
KEY FEATURES
•
ACCOMMODATED SHAFT DIAMETER: 2.438 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
•
OUTSIDE DIAMETER: 2.066 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 5.7435 INCHES MINIMUM AND 5.7465 INCHES MAXIMUM IN
•
SEAL WIDTH: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURES
FLANGE ON OUTER CASING
ACCOMMODATED SHAFT DIAMETER
2.438 INCHES NOMINAL IN
MATERIAL
STEEL CASE
OUTSIDE DIAMETER
2.066 INCHES NOMINAL IN
CASE STYLE
SQUARE
SEALING ELEMENT STYLE
ANGULAR
HOUSING BORE DIAMETER
5.7435 INCHES MINIMUM AND 5.7465 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is 668959?
668959 is a SEAL,PLAIN ENCASED.
What parts can replace 668959?
There are 23 known substitutes for 668959: SA-1734/U, 145518-1, 12530 and 20 more. Substitute compatibility should be verified for your specific system.
Is 668959 still available?
668959 is currently cancelled.
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