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PX4119 — Technical Data Sheet

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— · 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: COPPER ALLOY CASE, case_style: SQUARE, seal_width: 0.438 INCHES NOMINAL IN, housing_bore_diameter: 2.000 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 1.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System under NSN 5330-00-154-5549, 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
PX4119
NSN: 5330-00-154-5549
FSC: 5330
CAGE: 55509 — COOPER CAMERON CORP AJAX-SUPERIOR DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY CASE
case_styleSQUARE
seal_width0.438 INCHES NOMINAL IN
housing_bore_diameter2.000 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.125 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-154-5549
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PX4119 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
•
SEAL WIDTH: 0.438 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
MATERIAL: COPPER ALLOY CASE
•
HOUSING BORE DIAMETER: 2.000 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
ACCOMMODATED SHAFT DIAMETER: 1.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CASE STYLESQUARE
SEAL WIDTH0.438 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALCOPPER ALLOY CASE
MATERIALLEATHER SEALING ELEMENT
HOUSING BORE DIAMETER2.000 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT DIAMETER1.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
WMF4PIEInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
11101-057InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
WMF4P1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MILS82061InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
142-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MVDInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PX4119?
PX4119 is a SEAL,PLAIN ENCASED.
What parts can replace PX4119?
There are 29 known substitutes for PX4119: WMF4PIE, 11101-057, WMF4P1 and 26 more. Substitute compatibility should be verified for your specific system.
Is PX4119 still available?
PX4119 is currently cancelled.
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Last verified: September 2026