US Military
Spec. thermowells |
Military Specification† |
Connection
Type |
Available Materials |
Documentation and Identification |

|
MIL-W-24270/1A
MIL-W-24270/2A
MIL-W-24270/3A
MIL-W-24270/4A
MIL-W-24270/5B
MIL-W-24270/6A
MIL-W-24270/7C
MIL-W-24270/8
MIL-W-24270/9
MIL-W-24270/10
MIL-W-24270/11
MIL-W-24270/12A |
MIL-W-24270/13A
MIL-W-24270/14
MIL-W-24270/15
MIL-W-24270/16
MIL-W-24270/17
MIL-W-24270/18
MIL-W-24270/19C
MIL-W-24270/20C
MIL-W-24270/21C
MIL-W-24270/22
MIL-W-24270/23A
MIL-W-24270/24A
MIL-W-24270/25A |
Socket Weld |
Phosphor Bronze
Alloy A
Aluminum Bronze
Cu-Ni 70/30 and 90/10
316SS, 347 SS, 304SS
ASTM-A-182 F11 & F22
A-105
Monel® |
Documentation:
Material Test Reports Required
Etched on well:
Mfr ID (AEC)
Heat Number
Material Spec
Optional etching as specified |

|
MIL-T-24270/1B
MIL-T-24270/2B
MIL-T-24270/3B
MIL-T-24270/4B
MIL-T-24270/7D
MIL-T-24270/12B
MIL-T-24270/13B
MIL-T-24270/18B
MIL-T-24270/21C
MIL-T-24270/22B
MIL-T-24270/25B |
Socket Weld |

|
MIL-T-17244B
Navy Class I
Navy Class II
Navy Class III
Each available in 2 lengths:
long (5 1/4" OA) or short (3 1/4"OA) |
Threaded
3/4" NPT
1/2" NPT
1/2" & 3/4" NPT
|
Commercial Brass
Naval Brass
316SS, 304SS
Carbon Steel C1018
Monel® |
Documentation:
Material Test Reports Optional
Etched on well:
Material Spec |
US Coast Guard Custom Thermowells |
Specification† |
Connection
Type |
Available Materials |
Documentation and Identification |

|
USCG Custom Thermowell A:
9/16" x 18 tpi externally threaded w/o-ring seal & 1/4" npt internally threaded bored to fit 4" x 1/4" stem
Order Part # T012B260S0310L0425AA04
|
Threaded |
Brass |
|

|
USCG Custom Thermowell B:
9/16" x 18 tpi externally threaded w/o-ring seal & 1/4" internally threaded bored to fit 2.5" x 1/4" stem
Order Part # T012B260S01552026SAA04
|
Threaded |
Brass |
|

|
USCG Custom Thermowell C:
1/4" npt externally and internally threaded and bored to fit 4" x 1/4"stem
Order Part # T025B260SX0250C0425AA04
|
Threaded |
Brass |
|