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 COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL CASE, case_style: SQUARE, seal_width: 0.640 INCHES MINIMUM AND 0.684 INCHES MAXIMUM IN, temp_rating: -65.0 FAHRENHEIT DEGF, housing_bore_diameter: 4.360 INCHES MINIMUM AND 4.390 INCHES MAXIMUM IN, sealing_element_style: VERTICAL-EXTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-891-7826, 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
7521649
NSN:5330-00-891-7826 FSC:5330 CAGE:19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
material
STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL CASE
case_style
SQUARE
seal_width
0.640 INCHES MINIMUM AND 0.684 INCHES MAXIMUM IN
temp_rating
-65.0 FAHRENHEIT DEGF
housing_bore_diameter
4.360 INCHES MINIMUM AND 4.390 INCHES MAXIMUM IN
sealing_element_style
VERTICAL-EXTERNAL
accommodated_shaft_diameter
3.305 INCHES MINIMUM AND 3.309 INCHES MAXIMUM IN
material_document_and_classification
QQ-S-698 FED SPEC 1ST MATERIAL RESPONSE CASE
NSN
5330-00-891-7826
COMPONENT DIAGRAM
KEY FEATURES
•
CASE STYLE: SQUARE
•
SEAL WIDTH: 0.640 INCHES MINIMUM AND 0.684 INCHES MAXIMUM IN
•
HOUSING BORE DIAMETER: 4.360 INCHES MINIMUM AND 4.390 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT DIAMETER: 3.305 INCHES MINIMUM AND 3.309 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL CASE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000 2BG810A1C1E3K1Z ASSN STD SINGLE MATERIAL RESPONSE SEALING ELEMENT
•
SEALING ELEMENT STYLE: VERTICAL-EXTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLE
SQUARE
SEAL WIDTH
0.640 INCHES MINIMUM AND 0.684 INCHES MAXIMUM IN
HOUSING BORE DIAMETER
4.360 INCHES MINIMUM AND 4.390 INCHES MAXIMUM IN
ACCOMMODATED SHAFT DIAMETER
3.305 INCHES MINIMUM AND 3.309 INCHES MAXIMUM IN
MATERIAL
STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL CASE
MATERIAL DOCUMENT AND CLASSIFICATION
ASTM D2000 2BG810A1C1E3K1Z ASSN STD SINGLE MATERIAL RESPONSE SEALING ELEMENT
SEALING ELEMENT STYLE
VERTICAL-EXTERNAL
MATERIAL DOCUMENT AND CLASSIFICATION
QQ-S-698 FED SPEC 1ST MATERIAL RESPONSE CASE
TEMP RATING
-65.0 FAHRENHEIT DEGF
MATERIAL
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
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FREQUENTLY ASKED QUESTIONS
What is 7521649?
7521649 is a SEAL,PLAIN ENCASED.
What parts can replace 7521649?
There are 30 known substitutes for 7521649: ZZI550, 519596, MS35392-174 and 27 more. Substitute compatibility should be verified for your specific system.
Is 7521649 still available?
7521649 is currently cancelled.
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