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50188S ✓ 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: 0.375 INCHES NOMINAL IN, housing_bore_diameter: 1.562 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 1.062 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-527-7323, 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
50188S
NSN: 5330-00-527-7323
FSC: 5330
CAGE: 76680 — FEDERAL-MOGUL CORP CHASSIS PRODUCTS DIV (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.375 INCHES NOMINAL IN
housing_bore_diameter1.562 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.062 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3000 FEET PER MINUTE FT
NSN5330-00-527-7323
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 50188S 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
•
MATERIAL: STEEL CASE
•
ACCOMMODATED SHAFT DIAMETER: 1.062 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
SEALING ELEMENT STYLE: ANGULAR
•
SEAL WIDTH: 0.375 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 1.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CASE
ACCOMMODATED SHAFT DIAMETER1.062 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3000 FEET PER MINUTE FT
CASE STYLESQUARE
SEALING ELEMENT STYLEANGULAR
SEAL WIDTH0.375 INCHES NOMINAL IN
HOUSING BORE DIAMETER1.562 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
SAE J512 6-4 040102BInterchangeable
interchangeable cross-reference
interchangeable
73017-GInterchangeable
interchangeable cross-reference
interchangeable
2200X6Interchangeable
interchangeable cross-reference
interchangeable
SCB69326-2Interchangeable
interchangeable cross-reference
interchangeable
50912Interchangeable
interchangeable cross-reference
interchangeable
M101-661060Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50188S?
50188S is a SEAL,PLAIN ENCASED.
What parts can replace 50188S?
There are 19 known substitutes for 50188S: SAE J512 6-4 040102B, 73017-G, 2200X6 and 16 more. Substitute compatibility should be verified for your specific system.
Is 50188S still available?
50188S 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