PartsTable
Technical Data Sheet
43-01731 ✓ 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,CHECK is a the manufacturer industrial component. Key specifications include material: PLASTIC FLOW CONTROL DEVICE, connection_type: THREADED EXTERNAL PIPE SECOND END, connection_style: PLAIN (PIPE) SECOND END, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND FIRST END, mounting_position: HORIZONTAL OR VERTICAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-546-0724, 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
43-01731
NSN: 4820-00-546-0724
FSC: 4820
CAGE: 63734 — KAITLIN CORP (USA)
SPECIFICATIONS
materialPLASTIC FLOW CONTROL DEVICE
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) SECOND END
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND FIRST END
mounting_positionHORIZONTAL OR VERTICAL
disk_loading_methodSPRING
flow_control_deviceBALL
nominal_thread_size1.000 INCHES FIRST END IN
valve_operation_methodAUTOMATIC
thread_series_designatorNPT SECOND END
nominal_pipe_size_accommodated1.000 INCHES SECOND END IN
NSN4820-00-546-0724
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 43-01731 · 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
STYLE DESIGNATOR: STRAIGHT THRU
NOMINAL THREAD SIZE: 1.000 INCHES FIRST END IN
FLOW CONTROL DEVICE: BALL
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL: PLASTIC FLOW CONTROL DEVICE
MOUNTING POSITION: HORIZONTAL OR VERTICAL
THREAD DIRECTION: RIGHT-HAND SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSTRAIGHT THRU
NOMINAL THREAD SIZE1.000 INCHES FIRST END IN
FLOW CONTROL DEVICEBALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D4/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALPLASTIC FLOW CONTROL DEVICE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD DIRECTIONRIGHT-HAND FIRST END
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) FIRST END
THREAD SERIES DESIGNATORNPT FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
4B8598Interchangeable
interchangeable cross-reference
interchangeable
V5032Interchangeable
interchangeable cross-reference
interchangeable
VX136Interchangeable
interchangeable cross-reference
interchangeable
58407Interchangeable
interchangeable cross-reference
interchangeable
493Interchangeable
interchangeable cross-reference
interchangeable
345Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 43-01731?
43-01731 is a VALVE,CHECK.
What parts can replace 43-01731?
There are 10 known substitutes for 43-01731: 4B8598, V5032, VX136 and 7 more. Substitute compatibility should be verified for your specific system.
Is 43-01731 still available?
43-01731 is currently cancelled.
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