Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, overall_width: 8.308 INCHES NOMINAL IN, aperture_width: 7.904 INCHES NOMINAL IN, overall_length: 12.259 INCHES NOMINAL IN, aperture_length: 11.855 INCHES NOMINAL IN, hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-495-9370, 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
57K4389
NSN:5330-01-495-9370 FSC:5330 CAGE:19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
overall_width
8.308 INCHES NOMINAL IN
aperture_width
7.904 INCHES NOMINAL IN
overall_length
12.259 INCHES NOMINAL IN
aperture_length
11.855 INCHES NOMINAL IN
hardness_rating
65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
special_features
PREFORMED INDENTAIONS WITH .537 RADIUS TO ACCOMODATE 10 CONTROL MODULE HOUSING FASTENERS
style_designator
NON-CIRCULAR
end_item_identification
UTILITY TRUCK (HMMWV),2320-01-380-8604
cross-sectional_thickness
0.202 INCHES NOMINAL IN
cross-sectional_shape_style
SOLID SINGLE OR COMPOSITION
part_name_assigned_by_controlling_agency
SEAL,TCM BOX
NSN
5330-01-495-9370
COMPONENT DIAGRAM
KEY FEATURES
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
STYLE DESIGNATOR: NON-CIRCULAR
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
•
APERTURE LENGTH: 11.855 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCY
SEAL,TCM BOX
OVERALL WIDTH
8.308 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE
SOLID SINGLE OR COMPOSITION
STYLE DESIGNATOR
NON-CIRCULAR
HARDNESS RATING
65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
APERTURE LENGTH
11.855 INCHES NOMINAL IN
MATERIAL
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
OVERALL LENGTH
12.259 INCHES NOMINAL IN
APERTURE WIDTH
7.904 INCHES NOMINAL IN
SPECIAL FEATURES
PREFORMED INDENTAIONS WITH .537 RADIUS TO ACCOMODATE 10 CONTROL MODULE HOUSING FASTENERS
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FREQUENTLY ASKED QUESTIONS
What is 57K4389?
57K4389 is a GASKET.
What parts can replace 57K4389?
There are 18 known substitutes for 57K4389: WMSRS7-2-13, 917123-1E, 917123-1 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 57K4389?
57K4389 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-495-9370. This indicates validated use in U.S. government and defense supply chains.
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