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Technical Data Sheet
H72776 ✓ 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 RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OVERALL, peripheral_diameter: 2.043 INCHES NOMINAL IN, center_hole_diameter: 1.500 INCHES NOMINAL IN, cross-sectional_height: 0.812 INCHES NOMINAL IN, cross-sectional_shape_style: OVAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-420-4419, 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
H72776
NSN: 5330-00-420-4419
FSC: 5330
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OVERALL
peripheral_diameter2.043 INCHES NOMINAL IN
center_hole_diameter1.500 INCHES NOMINAL IN
cross-sectional_height0.812 INCHES NOMINAL IN
cross-sectional_shape_styleOVAL
NSN5330-00-420-4419
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H72776 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 COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OVERALL
CROSS-SECTIONAL SHAPE STYLE: OVAL
CROSS-SECTIONAL HEIGHT: 0.812 INCHES NOMINAL IN
PERIPHERAL DIAMETER: 2.043 INCHES NOMINAL IN
CENTER HOLE DIAMETER: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OVERALL
CROSS-SECTIONAL SHAPE STYLEOVAL
CROSS-SECTIONAL HEIGHT0.812 INCHES NOMINAL IN
PERIPHERAL DIAMETER2.043 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
72776Interchangeable
interchangeable cross-reference
interchangeable
201KLDFS56919Interchangeable
interchangeable cross-reference
interchangeable
7759647Interchangeable
interchangeable cross-reference
interchangeable
22-2006Interchangeable
interchangeable cross-reference
interchangeable
0160-2490Interchangeable
interchangeable cross-reference
interchangeable
240352-151Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H72776?
H72776 is a RETAINER,PACKING.
What parts can replace H72776?
There are 11 known substitutes for H72776: 72776, 201KLDFS56919, 7759647 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H72776?
H72776 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-420-4419. This indicates validated use in U.S. government and defense supply chains.
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