PartsTable
Technical Data Sheet
3H5077 ✓ 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 3H5077 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-930-8603, 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
3H5077
NSN: 5330-00-930-8603
FSC: 5330
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number3H5077
NSN5330-00-930-8603
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3H5077 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
59954Interchangeable
interchangeable cross-reference
interchangeable
5014174-005Interchangeable
interchangeable cross-reference
interchangeable
MDL1Interchangeable
interchangeable cross-reference
interchangeable
28053-1Interchangeable
interchangeable cross-reference
interchangeable
63978CDInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3H5077?
3H5077 is a 3H5077.
What parts can replace 3H5077?
There are 5 known substitutes for 3H5077: 59954, 5014174-005, MDL1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3H5077?
3H5077 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-930-8603. This indicates validated use in U.S. government and defense supply chains.
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