壳牌555航空涡轮发动机润滑油产品说明：
壳牌555航空涡轮发动机润滑油是一种先进的5mm2/s 受阻的酯类合成油，以提高热和氧化稳定性，并提高基础油的承载能力相当均衡的混合油。
壳牌555航空涡轮发动机润滑油应用：
壳牌555航空涡轮发动机润滑油是专门为满足高温和承载的SST引擎和DEF STAN91-100（原DERD2497）和XAS-2354规范的要求而开发的。壳牌555航空涡轮发动机润滑油也被设计给当前发动机性能的增强。
最近在需要通过直升机传动系统和变速箱系统传输更多的动力和更高的负载情况下（很多直升机在传输/变速系统中使用合成涡轮发动机油），很明显，使用很好的承载油，如壳牌555航空涡轮发动机润滑油是很有必要的。这反过来又导致了美国军事规格的发展，美国国防部L-85734，其中涵盖了直升机变速箱油对壳牌555航空涡轮发动机润滑油的完全批准和认可。
壳牌555航空涡轮发动机润滑油符合标准：
美国批准DOD-L-85734
英国批准DEFSTAN91-100（注：英国和美国的生产制造相同的配方。）
法国
俄罗斯
北约代号O-160
联合服务指定OX-26
普惠核准521CII型
通用电气批准的D-50TF1
艾里逊批准的EMS-53
AeroShell Turbine Engine Oil 555
AeroShell Turbine Oil 555 is an advanced 5 mm2/s synthetic hindered ester oil incorporating a finely balanced blend of additives to improve thermal and oxidation stability and to increase the load carrying ability of the base oil.
Applications
AeroShell Turbine Oil 555 was specifically developed to meet the high temperatures and load carrying requirements of SST engines and the DEF STAN 91-100 (formerly DERD 2497) and XAS-2354 specifications. AeroShell Turbine Oil 555 was also designed to give enhanced performance in current engines.
More recently with the need to transmit more power and higher loads through helicopter transmission and gearbox systems (many helicopters use a synthetic turbine engine oil in the transmission/gearbox system) it has become apparent that the use of a very good load carrying oil, such as AeroShell Turbine Oil 555 is necessary. This in turn has led to the development of a U.S. Military Specification, DOD-L-85734, which covers a helicopter transmission oil against which AeroShell Turbine Oil 555 is fully approved.
AeroShell Turbine Oil 555 contains a synthetic ester oil and should not be used in contact with incompatible seal materials and it also affects some paints and plastics. Refer to the General Notes at the front of this section for further information.
Specifications
U.S. Approved DOD-L-85734
British Approved DEF STAN 91-100 (Note: both UK and US production are manufactured to the same formulation.)
French–
Russian –
NATO Code O-160
Joint Service Designation OX-26
Pratt & Whitney Approved 521C Type II
General Electric Approved D-50 TF 1
Allison Approved EMS-53 (Obsolete)