PartsTable
Technical Data Sheet
WWB51 ✓ 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 VALVE,ANGLE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, bonnet_type: INSIDE SCREW, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, style_designator: ANGLE, thread_direction: RIGHT-HAND ALL ENDS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-274-3560, 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
WWB51
NSN: 4820-00-274-3560
FSC: 4820
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
bonnet_typeINSIDE SCREW
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designatorANGLE
thread_directionRIGHT-HAND ALL ENDS
features_providedBONNET PACKING
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
nominal_thread_size1.000 INCHES ALL ENDS IN
maximum_operating_temp366.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
NSN4820-00-274-3560
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: WWB51 · 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
VALVE OPERATION METHOD: MANUAL
THREAD DIRECTION: RIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR: NPT ALL ENDS
NOMINAL THREAD SIZE: 1.000 INCHES ALL ENDS IN
BONNET ATTACHMENT METHOD: UNION
MAXIMUM OPERATING TEMP: 366.0 FAHRENHEIT SINGLE RESPONSE DEGF
FLOW CONTROL DEVICE: DISK
FEATURES PROVIDED: BONNET PACKING
TECHNICAL CHARACTERISTICS (FLIS)
VALVE OPERATION METHODMANUAL
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL THREAD SIZE1.000 INCHES ALL ENDS IN
BONNET ATTACHMENT METHODUNION
MAXIMUM OPERATING TEMP366.0 FAHRENHEIT SINGLE RESPONSE DEGF
FLOW CONTROL DEVICEDISK
FEATURES PROVIDEDBONNET PACKING
SPECIFICATION/STANDARD DATA59656-MSS SP-80 MANUFACTURERS STANDARD
NONDEFINITIVE SPEC/STD DATA150PSI CLASS AND 3 TYPE AND A END AND 1 SIZE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
57 1-4Interchangeable
interchangeable cross-reference
interchangeable
MSS SP-80Interchangeable
interchangeable cross-reference
interchangeable
2615207Interchangeable
interchangeable cross-reference
interchangeable
MILV1202Interchangeable
interchangeable cross-reference
interchangeable
MS-SP-80Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WWB51?
WWB51 is a VALVE,ANGLE.
What parts can replace WWB51?
There are 5 known substitutes for WWB51: 57 1-4, MSS SP-80, 2615207 and 2 more. Substitute compatibility should be verified for your specific system.
Is WWB51 still available?
WWB51 is currently cancelled.
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