PartsTable
Technical Data Sheet
T311B ✓ 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

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: GRAPHITE PACKING, 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 4820-00-287-5164, 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
T311B
NSN: 4820-00-287-5164
FSC: 4820
CAGE: 12168 — NIBCO INC (USA)
SPECIFICATIONS
materialGRAPHITE PACKING
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_pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
flow_control_deviceDISK
nominal_thread_size1.000 INCHES FIRST END IN
valve_operation_methodMANUAL
bonnet_attachment_methodTHREADED
NSN4820-00-287-5164
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: T311B · 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
MATERIAL: GRAPHITE PACKING
THREAD DIRECTION: RIGHT-HAND ALL ENDS
BONNET TYPE: INSIDE SCREW
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B62 ALLOY 836 ASSN STD SINGLE MATERIAL RESPONSE BODY
FEATURES PROVIDED: BONNET PACKING
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
MEDIA FOR WHICH DESIGNED: STEAM FIRST RESPONSE
FLOW CONTROL DEVICE: DISK
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALGRAPHITE PACKING
THREAD DIRECTIONRIGHT-HAND ALL ENDS
BONNET TYPEINSIDE SCREW
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B62 ALLOY 836 ASSN STD SINGLE MATERIAL RESPONSE BODY
FEATURES PROVIDEDBONNET PACKING
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
FLOW CONTROL DEVICEDISK
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
BONNET ATTACHMENT METHODTHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
046Interchangeable
interchangeable cross-reference
interchangeable
2510002404831Interchangeable
interchangeable cross-reference
interchangeable
AA-B-605Interchangeable
interchangeable cross-reference
interchangeable
235Interchangeable
interchangeable cross-reference
interchangeable
033Interchangeable
interchangeable cross-reference
interchangeable
151Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T311B?
T311B is a RESISTOR,VARIABLE,NONWIRE WOUND,.
What parts can replace T311B?
There are 18 known substitutes for T311B: 046, 2510002404831, AA-B-605 and 15 more. Substitute compatibility should be verified for your specific system.
Is T311B still available?
T311B is currently cancelled.
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