PartsTable
Technical Data Sheet
57K4389 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
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
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
overall_width8.308 INCHES NOMINAL IN
aperture_width7.904 INCHES NOMINAL IN
overall_length12.259 INCHES NOMINAL IN
aperture_length11.855 INCHES NOMINAL IN
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
special_featuresPREFORMED INDENTAIONS WITH .537 RADIUS TO ACCOMODATE 10 CONTROL MODULE HOUSING FASTENERS
style_designatorNON-CIRCULAR
end_item_identificationUTILITY TRUCK (HMMWV),2320-01-380-8604
cross-sectional_thickness0.202 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
part_name_assigned_by_controlling_agencySEAL,TCM BOX
NSN5330-01-495-9370
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 57K4389 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
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 AGENCYSEAL,TCM BOX
OVERALL WIDTH8.308 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
STYLE DESIGNATORNON-CIRCULAR
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
APERTURE LENGTH11.855 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
OVERALL LENGTH12.259 INCHES NOMINAL IN
APERTURE WIDTH7.904 INCHES NOMINAL IN
SPECIAL FEATURESPREFORMED INDENTAIONS WITH .537 RADIUS TO ACCOMODATE 10 CONTROL MODULE HOUSING FASTENERS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
WMSRS7-2-13Interchangeable
interchangeable cross-reference
interchangeable
917123-1EInterchangeable
interchangeable cross-reference
interchangeable
917123-1Interchangeable
interchangeable cross-reference
interchangeable
14404Interchangeable
interchangeable cross-reference
interchangeable
C54789Interchangeable
interchangeable cross-reference
interchangeable
83184Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 57K4389?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
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.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 57K4389