PartsTable
Technical Data Sheet
138WS3-8IN ✓ Verified by PartsTable
· GATE VALVE
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 BAR,PULL,TELETYPEWRITER is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY FLOW CONTROL DEVICENICKEL ALLOY SEAT, bonnet_type: INSIDE SCREWINSIDE SCREW, connection_type: THREADED EXTERNAL PIPE ALL ENDSTHREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDSPLAIN (PIPE) ALL ENDS, special_features: W/O LOCKSHIELD, style_designator: STRAIGHT THRU. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-497-1684, 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
138WS3-8IN
NSN: 4820-00-497-1684
FSC: 4820
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
materialNICKEL ALLOY FLOW CONTROL DEVICENICKEL ALLOY SEAT
bonnet_typeINSIDE SCREWINSIDE SCREW
connection_typeTHREADED EXTERNAL PIPE ALL ENDSTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDSPLAIN (PIPE) ALL ENDS
special_featuresW/O LOCKSHIELD
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDSRIGHT-HAND ALL ENDS
features_providedBONNET PACKINGBONNET PACKING
operating_pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISKDISK
nominal_thread_size0.375 INCHES ALL ENDS0.375 INCHES ALL ENDS IN
maximum_operating_temp425.0 FAHRENHEIT SINGLE RESPONSE425.0 FAHRENHEIT SINGLE RESPONSE DEGF
NSN4820-00-497-1684
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 138WS3-8IN · 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
MAXIMUM OPERATING TEMP: 425.0 FAHRENHEIT SINGLE RESPONSE425.0 FAHRENHEIT SINGLE RESPONSE DEGF
FEATURES PROVIDED: BONNET PACKINGBONNET PACKING
CONNECTION STYLE: PLAIN (PIPE) ALL ENDSPLAIN (PIPE) ALL ENDS
THREAD SERIES DESIGNATOR: NPT ALL ENDS
MATERIAL: NICKEL ALLOY FLOW CONTROL DEVICENICKEL ALLOY SEAT
THREAD DIRECTION: RIGHT-HAND ALL ENDSRIGHT-HAND ALL ENDS
STYLE DESIGNATOR: STRAIGHT THRU
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OPERATING TEMP425.0 FAHRENHEIT SINGLE RESPONSE425.0 FAHRENHEIT SINGLE RESPONSE DEGF
FEATURES PROVIDEDBONNET PACKINGBONNET PACKING
CONNECTION STYLEPLAIN (PIPE) ALL ENDSPLAIN (PIPE) ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
MATERIALNICKEL ALLOY FLOW CONTROL DEVICENICKEL ALLOY SEAT
THREAD DIRECTIONRIGHT-HAND ALL ENDSRIGHT-HAND ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
MATERIALRUBBER PACKINGNICKEL ALLOY STEM
FLOW CONTROL DEVICEDISKDISK
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS0.375 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
182314Interchangeable
interchangeable cross-reference
interchangeable
1823Interchangeable
interchangeable cross-reference
interchangeable
BACN10JD103Interchangeable
interchangeable cross-reference
interchangeable
A-A-59282Interchangeable
interchangeable cross-reference
interchangeable
L36-500Interchangeable
interchangeable cross-reference
interchangeable
18338Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 138WS3-8IN?
138WS3-8IN is a BAR,PULL,TELETYPEWRITER.
What parts can replace 138WS3-8IN?
There are 24 known substitutes for 138WS3-8IN: 182314, 1823, BACN10JD103 and 21 more. Substitute compatibility should be verified for your specific system.
Is 138WS3-8IN still available?
138WS3-8IN is currently cancelled.
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