1627473 HNBR O-ring fit Caterpillar
1627473 HNBR O-ring fit Caterpillar
Length(cm): 15.24
Width(cm): 20.32
Depth(cm): 2.54
1627473 HNBR O-ring for Caterpillar Equipment
1627473 is an HNBR O-ring used as a sealing element in Caterpillar equipment, including the 5230B excavator and 3516 industrial engine. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
Fitment
- Caterpillar 5230B excavator
- Caterpillar 3516 industrial engine
Cross-reference numbers
- Caterpillar equipment part number: 162-7473
Specifications
| Part type | O-ring sealing ring |
| Material | HNBR — hydrogenated nitrile butadiene rubber |
| Material hardness | 78 Shore A |
| Cross-section diameter | 0.224 in |
| Inner diameter | 8.898 in |
| Outside diameter | 9.346 in |
| Coating | None |
| Color | Black |
| SAE AS568 size | Not available |
| Temperature range stated for the HNBR material | -40°C to 115°C |
| Approximate weight | 0.1 lb |
| Package length | 15.24 cm |
| Package width | 20.32 cm |
| Package depth | 2.54 cm |
The O-ring material is specified as compatible with abrasion exposure, diesel fuel, ester lubricants, ozone, petroleum oils, lubricants, HFC-134a refrigerant, silicone fluids, steam, and water-based engine coolants. The material is intended for sealing applications in automotive air-conditioning systems, flexible high-temperature bellows, high-temperature power-steering systems, high-temperature hydraulic systems, and middle cylinder liners.
The material is specified as incompatible with aromatic and oxidized gasolines, automotive and aircraft brake fluids, chlorinated hydrocarbons, esters, ketones, and phosphate ester fluids. Dimensions and material descriptions are provided for reference and should be checked against the sealing-groove requirements of the equipment before installation.























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