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Technical Data Sheet
L37050 ✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT A, case_style: SQUARE, seal_width: 0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN, housing_bore_diameter: 8.000 INCHES NOMINAL IN, sealing_element_style: ANGULAR-OPPOSED, accommodated_shaft_diameter: 6.500 INCHES NOMINAL 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 5330-00-285-9450, 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
L37050
NSN: 5330-00-285-9450
FSC: 5330
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
materialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT A
case_styleSQUARE
seal_width0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
housing_bore_diameter8.000 INCHES NOMINAL IN
sealing_element_styleANGULAR-OPPOSED
accommodated_shaft_diameter6.500 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-285-9450
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: L37050 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
CASE STYLE: SQUARE
ACCOMMODATED SHAFT DIAMETER: 6.500 INCHES NOMINAL IN
SEALING ELEMENT STYLE: ANGULAR-OPPOSED
HOUSING BORE DIAMETER: 8.000 INCHES NOMINAL IN
SEAL WIDTH: 0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
MATERIAL: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT B
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER6.500 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR-OPPOSED
HOUSING BORE DIAMETER8.000 INCHES NOMINAL IN
SEAL WIDTH0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT B
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT A
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
5184376Interchangeable
interchangeable cross-reference
interchangeable
5119973Interchangeable
interchangeable cross-reference
interchangeable
1DD163Interchangeable
interchangeable cross-reference
interchangeable
24233Interchangeable
interchangeable cross-reference
interchangeable
22615Interchangeable
interchangeable cross-reference
interchangeable
B94.2-95 TABLE 25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is L37050?
L37050 is a SEAL,PLAIN ENCASED.
What parts can replace L37050?
There are 22 known substitutes for L37050: 5184376, 5119973, 1DD163 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for L37050?
L37050 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-285-9450. This indicates validated use in U.S. government and defense supply chains.
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