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PartsTable / COMPONENT / S637471
S637471 ✓ 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: LEATHER SEALING ELEMENT, case_style: SQUARE, seal_width: 0.438 INCHES NOMINAL IN, housing_bore_diameter: 1.828 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 (FLIS) under NSN 5330-00-178-4699, 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
S637471
NSN: 5330-00-178-4699
FSC: 5330
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
materialLEATHER SEALING ELEMENT
case_styleSQUARE
seal_width0.438 INCHES NOMINAL IN
housing_bore_diameter1.828 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.125 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-178-4699
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S637471 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
•
ACCOMMODATED SHAFT DIAMETER: 1.125 INCHES NOMINAL IN
•
SEAL WIDTH: 0.438 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
MATERIAL: STEEL CASE
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
HOUSING BORE DIAMETER: 1.828 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT DIAMETER1.125 INCHES NOMINAL IN
SEAL WIDTH0.438 INCHES NOMINAL IN
CASE STYLESQUARE
MATERIALSTEEL CASE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALLEATHER SEALING ELEMENT
HOUSING BORE DIAMETER1.828 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
VSERIESN03 ORIFICEInterchangeable
interchangeable cross-reference
interchangeable
0053040192Interchangeable
interchangeable cross-reference
interchangeable
11168Interchangeable
interchangeable cross-reference
interchangeable
215013Interchangeable
interchangeable cross-reference
interchangeable
C61989Interchangeable
interchangeable cross-reference
interchangeable
E050557Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S637471?
S637471 is a SEAL,PLAIN ENCASED.
What parts can replace S637471?
There are 28 known substitutes for S637471: VSERIESN03 ORIFICE, 0053040192, 11168 and 25 more. Substitute compatibility should be verified for your specific system.
Is S637471 still available?
S637471 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