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Technical Data Sheet
PartsTable / COMPONENT / 63X2037
63X2037 ✓ 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 color: BLACK, material: STEEL CASE, case_style: SQUARE, seal_width: 0.500 INCHES NOMINAL IN, temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL 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 5330-00-934-0253, 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
63X2037
NSN: 5330-00-934-0253
FSC: 5330
CAGE: 73680 — GARLOCK SEALING TECHNOLOGIES LLC DBA GARLOCK SEALING TECHNOLOGIES LLC (USA)
SPECIFICATIONS
colorBLACK
materialSTEEL CASE
case_styleSQUARE
seal_width0.500 INCHES NOMINAL IN
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
hardness_rating80.0 SHORE DUROMETER A NOMINAL OVERALL
housing_bore_diameter3.500 INCHES NOMINAL IN
sealing_element_styleANGULAR
maximum_pressure_rating7.0 POUNDS PER SQUARE INCH (PSI) LBS
accommodated_shaft_diameter2.750 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3000 FEET PER MINUTE FT
NSN5330-00-934-0253
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 63X2037 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
•
SEAL WIDTH: 0.500 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3000 FEET PER MINUTE FT
•
ACCOMMODATED SHAFT DIAMETER: 2.750 INCHES NOMINAL IN
•
COLOR: BLACK
•
HOUSING BORE DIAMETER: 3.500 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
•
SEALING ELEMENT STYLE: ANGULAR
•
TEMP RATING: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.500 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3000 FEET PER MINUTE FT
ACCOMMODATED SHAFT DIAMETER2.750 INCHES NOMINAL IN
COLORBLACK
HOUSING BORE DIAMETER3.500 INCHES NOMINAL IN
MATERIALSTEEL CASE
SEALING ELEMENT STYLEANGULAR
TEMP RATING-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
MAXIMUM PRESSURE RATING7.0 POUNDS PER SQUARE INCH (PSI) LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
6L3941-7S2Interchangeable
interchangeable cross-reference
interchangeable
450-17Interchangeable
interchangeable cross-reference
interchangeable
A146Interchangeable
interchangeable cross-reference
interchangeable
D-701Interchangeable
interchangeable cross-reference
interchangeable
7031700Interchangeable
interchangeable cross-reference
interchangeable
D15-543APC576Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 63X2037?
63X2037 is a SEAL,PLAIN ENCASED.
What parts can replace 63X2037?
There are 17 known substitutes for 63X2037: 6L3941-7S2, 450-17, A146 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 63X2037?
63X2037 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-934-0253. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026