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Technical Data Sheet

137B — Technical Data Sheet

✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include material: IRON BODY, body_length: 2.031 INCHES NOMINAL IN, bonnet_type: INSIDE SPRING, bulb_length: 12.000 INCHES NOMINAL IN, bulb_diameter: 0.188 INCHES NOMINAL IN, overall_width: 1.625 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-489-0294, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO MRO_GENERAL 137B
NSN: 4820-00-489-0294
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialIRON BODY
body_length2.031 INCHES NOMINAL IN
bonnet_typeINSIDE SPRING
bulb_length12.000 INCHES NOMINAL IN
bulb_diameter0.188 INCHES NOMINAL IN
overall_width1.625 INCHES NOMINAL IN
terminal_typeSCREW
overall_height2.125 INCHES NOMINAL IN
connection_typeTHREADED INTERNAL PIPE SECOND END
mounting_methodFLUSH AND THREADED HOLE(S)
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designatorANGLE
NSN4820-00-489-0294
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 137B · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
BONNET TYPE: INSIDE SPRING
NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES SECOND END IN
FLOW CONTROL DEVICE: DISK
OPERATING PRESSURE: 30.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
STYLE DESIGNATOR: ANGLE
MATERIAL: IRON BODY
CONNECTION TYPE: THREADED INTERNAL PIPE SECOND END
NOMINAL THREAD SIZE: 1.000 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
BONNET TYPEINSIDE SPRING
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES SECOND END IN
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE30.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
STYLE DESIGNATORANGLE
MATERIALIRON BODY
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
NOMINAL THREAD SIZE1.000 INCHES FIRST END IN
THREAD SERIES DESIGNATORNPT FIRST END
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
Z11402-36TYPEB10Interchangeable
interchangeable cross-reference
interchangeable
SE5210-241Interchangeable
interchangeable cross-reference
interchangeable
4702P12Interchangeable
Same NIIN cross-reference
interchangeable
B-10Interchangeable
Terminal,quick Disconnect
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 137B?
137B is a SWITCH,THERMOSTATIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 137B?
There are 4 known substitutes for 137B: Z11402-36TYPEB10, SE5210-241, 4702P12 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 137B?
137B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-489-0294. This indicates validated use in U.S. government and defense supply chains.
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