Fortpro Air Brake NTA Compression Fitting Union 1/2 Tube - 5 Pack (Replaces 38021, F229023) | Heavy Duty Truck & Trailer Brake System Repair Parts" 优化说明： 1. 保持核心关键词"Fortpro Air Brake NTA Compression Fitting Union"前置 2. 规格参数"1/2 Tube"和数量"5 Pack"清晰标注 3. 替代型号(38021, F229023)用括号整合更简洁 4. 增加应用场景说明"Heavy Duty Truck & Trailer Brake System Repair Parts"提升搜索相关性 5. 符合Google SEO的标题结构：品牌+核心产品+关键参数+应用场景 6. 使用管道符"|"分隔功能描述和应用场景 7. 去除了冗余空格和特殊符号，保持标题整洁 （注：根据要求仅返回优化标题，此为说明范例，实际使用时请只采用标题部分）

Fortpro Air Tubing Connections are designed to connect the air brake tubing on semi trucks, trailers and buses to the air lines that supply air to the brakes. They are available with threaded or compression style connectors. The brass material is highly durable and will not corrode over time. These fittings are DOT Compliant and will work with any brand of air brake hose.

Specifications:

• Part OEM: Midland 38021
• Part: NTA Compression Fitting Air Brake Union
• DOT Compliant: Yes
• Material: Brass
• Tube Size: 1/2"
• Working Pressure: 150 psi(Max)
• Quantity: 5

CrossReference:

• Haldex: 11203
• Midland: 38021
• Tectran: 1362-8
• Velvac: 16280