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Technical Data Sheet
PartsTable / COMPONENT / S300019
S300019 ✓ 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, seal_width: 1.000 INCHES NOMINAL IN, housing_bore_diameter: 5.374 INCHES NOMINAL IN, accommodated_shaft_diameter: 4.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-756-9910, 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
S300019
NSN: 5330-00-756-9910
FSC: 5330
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialSTEEL CASE
seal_width1.000 INCHES NOMINAL IN
housing_bore_diameter5.374 INCHES NOMINAL IN
accommodated_shaft_diameter4.000 INCHES NOMINAL IN
NSN5330-00-756-9910
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S300019 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: 4.000 INCHES NOMINAL IN
•
SEAL WIDTH: 1.000 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
•
HOUSING BORE DIAMETER: 5.374 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER4.000 INCHES NOMINAL IN
SEAL WIDTH1.000 INCHES NOMINAL IN
MATERIALSTEEL CASE
HOUSING BORE DIAMETER5.374 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
480874-1Interchangeable
interchangeable cross-reference
interchangeable
47800Interchangeable
interchangeable cross-reference
interchangeable
TRU-6770Interchangeable
interchangeable cross-reference
interchangeable
32899Interchangeable
interchangeable cross-reference
interchangeable
032899Interchangeable
interchangeable cross-reference
interchangeable
A47800Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S300019?
S300019 is a SEAL,PLAIN ENCASED.
What parts can replace S300019?
There are 15 known substitutes for S300019: 480874-1, 47800, TRU-6770 and 12 more. Substitute compatibility should be verified for your specific system.
Is S300019 still available?
S300019 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026