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Technical Data Sheet
DC7149 ✓ 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, case_style: SQUARE, seal_width: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN, housing_bore_diameter: 3.000 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 2.000 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 5330-00-292-1604, 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
DC7149
NSN: 5330-00-292-1604
FSC: 5330
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
materialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
housing_bore_diameter3.000 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter2.000 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-292-1604
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DC7149 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
ACCOMMODATED SHAFT DIAMETER: 2.000 INCHES NOMINAL IN
SEAL WIDTH: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
CASE STYLE: SQUARE
MATERIAL: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
SEALING ELEMENT STYLE: ANGULAR
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
HOUSING BORE DIAMETER: 3.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER2.000 INCHES NOMINAL IN
SEAL WIDTH0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
CASE STYLESQUARE
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
HOUSING BORE DIAMETER3.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
2-70900-5Interchangeable
interchangeable cross-reference
interchangeable
C115Interchangeable
interchangeable cross-reference
interchangeable
710-519000Interchangeable
interchangeable cross-reference
interchangeable
2196Interchangeable
interchangeable cross-reference
interchangeable
49234Interchangeable
interchangeable cross-reference
interchangeable
49067AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DC7149?
DC7149 is a SEAL,PLAIN ENCASED.
What parts can replace DC7149?
There are 19 known substitutes for DC7149: 2-70900-5, C115, 710-519000 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DC7149?
DC7149 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-292-1604. This indicates validated use in U.S. government and defense supply chains.
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