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Technical Data Sheet
PartsTable / COMPONENT / 9F4937
9F4937 ✓ 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 OR RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN, housing_bore_diameter: 1.124 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 0.594 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-285-9442, 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
9F4937
NSN: 5330-00-285-9442
FSC: 5330
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
housing_bore_diameter1.124 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter0.594 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-285-9442
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9F4937 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 MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
SEALING ELEMENT STYLE: ANGULAR
•
SEAL WIDTH: 0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT DIAMETER: 0.594 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 1.124 INCHES NOMINAL IN
•
MATERIAL: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
•
CASE STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
SEALING ELEMENT STYLEANGULAR
SEAL WIDTH0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
ACCOMMODATED SHAFT DIAMETER0.594 INCHES NOMINAL IN
HOUSING BORE DIAMETER1.124 INCHES NOMINAL IN
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
CASE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
1-958082-001Interchangeable
interchangeable cross-reference
interchangeable
8210-1135Interchangeable
interchangeable cross-reference
interchangeable
RELEASE5285Interchangeable
interchangeable cross-reference
interchangeable
5524FInterchangeable
interchangeable cross-reference
interchangeable
4506AHInterchangeable
interchangeable cross-reference
interchangeable
CTS66AANG5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9F4937?
9F4937 is a SEAL,PLAIN ENCASED.
What parts can replace 9F4937?
There are 20 known substitutes for 9F4937: 1-958082-001, 8210-1135, RELEASE5285 and 17 more. Substitute compatibility should be verified for your specific system.
Is 9F4937 still available?
9F4937 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