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Technical Data Sheet
51019-5L ✓ 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: STEEL CASE, case_style: SQUARE, seal_width: 0.299 INCHES MINIMUM AND 0.339 INCHES MAXIMUM IN, temp_rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, outside_diameter: 2.627 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-010-8518, 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
51019-5L
NSN: 5330-00-010-8518
FSC: 5330
CAGE: 76680 — FEDERAL-MOGUL CORP CHASSIS PRODUCTS DIV (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.299 INCHES MINIMUM AND 0.339 INCHES MAXIMUM IN
temp_rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
outside_diameter2.627 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter2.622 INCHES MINIMUM AND 2.624 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.750 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-010-8518
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 51019-5L 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
HOUSING BORE DIAMETER: 2.622 INCHES MINIMUM AND 2.624 INCHES MAXIMUM IN
SEAL WIDTH: 0.299 INCHES MINIMUM AND 0.339 INCHES MAXIMUM IN
SEALING ELEMENT STYLE: ANGULAR
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
ACCOMMODATED SHAFT DIAMETER: 1.750 INCHES NOMINAL IN
OUTSIDE DIAMETER: 2.627 INCHES NOMINAL IN
SURFACE TREATMENT: PLASTIC CASE
TEMP RATING: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS (FLIS)
HOUSING BORE DIAMETER2.622 INCHES MINIMUM AND 2.624 INCHES MAXIMUM IN
SEAL WIDTH0.299 INCHES MINIMUM AND 0.339 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
ACCOMMODATED SHAFT DIAMETER1.750 INCHES NOMINAL IN
OUTSIDE DIAMETER2.627 INCHES NOMINAL IN
SURFACE TREATMENTPLASTIC CASE
TEMP RATING-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
CASE STYLESQUARE
MATERIALSTEEL CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
135011Interchangeable
interchangeable cross-reference
interchangeable
PF858Interchangeable
interchangeable cross-reference
interchangeable
17442Interchangeable
interchangeable cross-reference
interchangeable
L442Interchangeable
interchangeable cross-reference
interchangeable
133758R1Interchangeable
interchangeable cross-reference
interchangeable
JC441Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51019-5L?
51019-5L is a SEAL,PLAIN ENCASED.
What parts can replace 51019-5L?
There are 8 known substitutes for 51019-5L: 135011, PF858, 17442 and 5 more. Substitute compatibility should be verified for your specific system.
Is 51019-5L still available?
51019-5L is currently cancelled.
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