0682321 O-Ring Description
YNF16690 (Part No. 0682321) is a precision-molded O-ring designed to provide leak-proof sealing in hydraulic systems, particularly for excavators and construction equipment. Made from durable nitrile rubber (NBR), this O-ring withstands hydraulic fluids, abrasion, and temperature fluctuations. It’s commonly used in cylinders, valves, pumps, and connection interfaces. Whether you’re assembling complete seal kits or handling individual replacements, this part ensures high-performance sealing. A preferred choice for global B2B buyers sourcing OEM-standard components with competitive pricing and stable availability from YNF Machinery.
Hydraulic O-Ring 0682321 Technical Sheet
| Parameter |
Detail |
| Part Number |
0682321 |
| YNF Code |
YNF16690 |
| Part Category |
O-Ring / Hydraulic Seal Ring |
| Material |
NBR (nitrile rubber) |
| Function |
Static and dynamic sealing |
| Compatibility |
Caterpillar, Komatsu, Hitachi, etc. |
| Color |
Black (standard) |
| Operating Pressure |
Up to 40 MPa |
| Working Temp. |
-25°C to +100°C |
| Application Area |
Cylinders, pumps, valve blocks, fittings |
| Brand |
YNF |
| Origin |
China |
| MOQ |
10 pcs |
| Packaging |
Bulk, bagged, or boxed per customer request |
| Shipping Options |
Express, Sea, Air |
| Payment Terms |
T/T, L/C, Western Union |
0682321 O-Ring Applications
| Application Area |
Description |
| Excavator Cylinder Sealing |
Prevents oil leakage in dynamic hydraulic systems |
| Valve and Pump Assemblies |
Static sealing of joints and housing connections |
| Seal Kit Manufacturing |
Common component in repair kit assembly |
| OEM Hydraulic Equipment |
Used in new equipment builds |
0682321 Excavator O-Ring Detail Display
Related Knowledge:
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O-rings are the backbone of hydraulic sealing systems, ensuring efficiency and preventing fluid loss.
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Proper sizing and material choice (like NBR) are crucial for optimal seal performance.
Related Products:
-
PTFE Back-Up Ring 2046499 (YNF16689)
-
Wear Ring 07156-01517 (YNF16466)
-
Complete Cylinder Seal Kits for Caterpillar Machines
FAQs:
Q: Is the material compatible with hydraulic oil?
A: Yes, the O-ring is made of oil-resistant NBR, suitable for hydraulic fluid systems.
Q: Can this be included in branded repair kits?
A: Absolutely. YNF supports private labeling and seal kit assembly.
