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PartsTable / COMPONENT / 370510R91
370510R91 ✓ 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, special_features: MIN. RPM 2000;MAX RPM 3000, housing_bore_diameter: 1.562 INCHES NOMINAL IN, sealing_element_style: ANGULAR.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-599-5146, 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
370510R91
NSN: 5330-00-599-5146
FSC: 5330
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.375 INCHES NOMINAL IN
special_featuresMIN. RPM 2000;MAX RPM 3000
housing_bore_diameter1.562 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.125 INCHES NOMINAL IN
NSN5330-00-599-5146
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 370510R91 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: 1.125 INCHES NOMINAL IN
•
SEAL WIDTH: 0.375 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
•
CASE STYLE: SQUARE
•
HOUSING BORE DIAMETER: 1.562 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER1.125 INCHES NOMINAL IN
SEAL WIDTH0.375 INCHES NOMINAL IN
SPECIAL FEATURESMIN. RPM 2000;MAX RPM 3000
MATERIALSTEEL CASE
CASE STYLESQUARE
HOUSING BORE DIAMETER1.562 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SEALING ELEMENT STYLEANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
137397Interchangeable
interchangeable cross-reference
interchangeable
110-6752Interchangeable
interchangeable cross-reference
interchangeable
705FB3Interchangeable
interchangeable cross-reference
interchangeable
11070Interchangeable
interchangeable cross-reference
interchangeable
603 1-4VInterchangeable
interchangeable cross-reference
interchangeable
603 1-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 370510R91?
370510R91 is a SEAL,PLAIN ENCASED.
What parts can replace 370510R91?
There are 19 known substitutes for 370510R91: 137397, 110-6752, 705FB3 and 16 more. Substitute compatibility should be verified for your specific system.
Is 370510R91 still available?
370510R91 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026