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Technical Data Sheet
509419 ✓ 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: RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, temp_rating: 300.0 FAHRENHEIT DEGF, housing_bore_diameter: 2.124 INCHES MINIMUM AND 2.126 INCHES MAXIMUM IN, sealing_element_style: ANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-029-6400, 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
509419
NSN: 5330-01-029-6400
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
temp_rating300.0 FAHRENHEIT DEGF
housing_bore_diameter2.124 INCHES MINIMUM AND 2.126 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.374 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
NSN5330-01-029-6400
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 509419 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
SEALING ELEMENT STYLE: ANGULAR
CASE STYLE: SQUARE
TEMP RATING: 300.0 FAHRENHEIT DEGF
HOUSING BORE DIAMETER: 2.124 INCHES MINIMUM AND 2.126 INCHES MAXIMUM IN
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
ACCOMMODATED SHAFT DIAMETER: 1.374 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
SEAL WIDTH: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEANGULAR
CASE STYLESQUARE
TEMP RATING300.0 FAHRENHEIT DEGF
HOUSING BORE DIAMETER2.124 INCHES MINIMUM AND 2.126 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
ACCOMMODATED SHAFT DIAMETER1.374 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
SEAL WIDTH0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
14801N PC NO 29Interchangeable
interchangeable cross-reference
interchangeable
11684Interchangeable
interchangeable cross-reference
interchangeable
N11684Interchangeable
interchangeable cross-reference
interchangeable
X126-6Interchangeable
interchangeable cross-reference
interchangeable
051228Interchangeable
interchangeable cross-reference
interchangeable
89410Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 509419?
509419 is a SEAL,PLAIN ENCASED.
What parts can replace 509419?
There are 15 known substitutes for 509419: 14801N PC NO 29, 11684, N11684 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 509419?
509419 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-029-6400. This indicates validated use in U.S. government and defense supply chains.
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