Model: 691-21A

Thermostatic Temperatu Regulator

Special Features:

Set range 4 to 7 in hg

Properties:

Usage Design
Suction relief
Thermostat Type
Coil spring bimetallic
Thread Size And Series/type Designator
0.562-18 unf
NSN
4820-01-434-2038
Part Number
691-21A
Description
Regulator,thermostatic Temperatu
CAGE
0AJJ0

A self sensored actuating regulator designed to automatically regulate the flow of liquid or steam through a valve to maintain a predetermined temperature. Designed to close or open a valve when a change in temperature is detected to avoid overheating of controlled unit. Valve body not included. See also regulator (1), temperature and pressure.

Part 691-21A NSN 4820-01-434-2038

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
37692
FIIG:
T121-C
Concept No.:
1
App. Key:
CB
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8481909090
  • SITC: 74790
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Parts of taps, cocks, valves and similar appliances, nesoi

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