Doc. #: M1800, Rev. 06 
Page 43 of 101 
 
9.4  Rigid Probe Specification 
 
924 and 924B 2” (5.1 cm) Floats: 
Gas: 30-1509-02 
Diesel: 30-1509-01 
Gas: 30-1503-02 
Diesel: 30-1503-01 
2” (5.1 cm) product 
only: 30-1503-01 
AST Flex Probe 4” (10.2 cm) Water 
Float Assembly for 7” (17.9 cm) Weight: 
Gas: 30-0120-GAS 
Diesel: 30-0120-DSL 
AST Flex Probe 4” (10.2 cm) Water 
Float Assembly for 13” (33 cm) Weight: 
Gas: 30-0121-GAS 
Diesel: 30-0121-DSL 
AST Flex Probe 4” (10.2 cm) Water 
Float Assembly for 16” (40.6 cm) 
Weight: 
Gas: 30-0124-GAS 
Diesel: 30-0124-DSL 
AST Flex Probe 4” (10.2 cm) Water 
Float Assembly for 19” (48.3 cm) 
Weight: 
Gas: 30-0127-GAS 
Diesel: 30-0127-DSL 
The product float for LPG is not certified for 
applications in which it will be subjected to 
pressures at or above 300PSI. Pressures 
higher than 300PSI will damage the device, 
preventing it from providing accurate 
measurements.