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Technical Data Sheet
252097R91 ✓ 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: 0.562 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, housing_bore_diameter: 4.876 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 3.938 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-695-3404, 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
252097R91
NSN: 5330-00-695-3404
FSC: 5330
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
materialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.562 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
housing_bore_diameter4.876 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter3.938 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-695-3404
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 252097R91 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
CASE STYLE: SQUARE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
MATERIAL: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
SEALING ELEMENT STYLE: ANGULAR
HOUSING BORE DIAMETER: 4.876 INCHES NOMINAL IN
SEAL WIDTH: 0.562 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
ACCOMMODATED SHAFT DIAMETER: 3.938 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLESQUARE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER4.876 INCHES NOMINAL IN
SEAL WIDTH0.562 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
ACCOMMODATED SHAFT DIAMETER3.938 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
ND16X1AInterchangeable
interchangeable cross-reference
interchangeable
E16Interchangeable
interchangeable cross-reference
interchangeable
XA5274Interchangeable
interchangeable cross-reference
interchangeable
590Interchangeable
interchangeable cross-reference
interchangeable
24654Interchangeable
interchangeable cross-reference
interchangeable
S6105-2108-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 252097R91?
252097R91 is a SEAL,PLAIN ENCASED.
What parts can replace 252097R91?
There are 14 known substitutes for 252097R91: ND16X1A, E16, XA5274 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 252097R91?
252097R91 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-695-3404. This indicates validated use in U.S. government and defense supply chains.
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