No.

Part code and specification

Part name

Quantity

Remark

TB450.487E

Instrument installation assembly

1

1

GB/T 818-M5X25-4.8-A2L

Cross recessed pan head screw

3

2

TB450.487E.1

Compound instrument assembly

1

3

GB/T 95-5-AOP

Flat washer

3

4

GB/T 93-5-AOP

Standard spring washer

3

5

GBT 6170-M5-8-A2L

Type 1 hex nut

3

6

TB450.487E.2

Transit harness assembly

1

No.

Part code and specification

Part name

Quantity

Remark

1

TB450.489A FT300.48.027

Preheating device assembly Preheating wire 1

1

1