PartsTable
Technical Data Sheet
128 1-4 75 ✓ 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

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, style_designator: ANGLE, thread_direction: RIGHT-HAND FIRST END, operating_pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-350-4011, 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
128 1-4 75
NSN: 4820-00-350-4011
FSC: 4820
CAGE: 75336 — F.C.KINGSTON CO. DBA STORM MANUFACTURING (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) FIRST END
style_designatorANGLE
thread_directionRIGHT-HAND FIRST END
operating_pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.250 INCHES FIRST END IN
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
media_for_which_designedAIR FIRST RESPONSE
NSN4820-00-350-4011
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 128 1-4 75 · 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
THREAD DIRECTION: RIGHT-HAND FIRST END
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
NOMINAL PIPE SIZE ACCOMMODATED: 0.250 INCHES FIRST END IN
DISK LOADING METHOD: SPRING
THREAD SERIES DESIGNATOR: NPT FIRST END
MATERIAL: COPPER ALLOY BODY
NOMINAL THREAD SIZE: 0.250 INCHES FIRST END IN
OPERATING PRESSURE: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES FIRST END IN
DISK LOADING METHODSPRING
THREAD SERIES DESIGNATORNPT FIRST END
MATERIALCOPPER ALLOY BODY
NOMINAL THREAD SIZE0.250 INCHES FIRST END IN
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
VALVE OPERATION METHODAUTOMATIC
OPENING PRESSURE SETTING75.0 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
A237Interchangeable
interchangeable cross-reference
interchangeable
267-0048-00Interchangeable
interchangeable cross-reference
interchangeable
424-237Interchangeable
interchangeable cross-reference
interchangeable
W-12668Interchangeable
interchangeable cross-reference
interchangeable
1884999Interchangeable
interchangeable cross-reference
interchangeable
1004523Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 128 1-4 75?
128 1-4 75 is a TRANSFORMER,POWER AUTOTRANSFORME.
What parts can replace 128 1-4 75?
There are 13 known substitutes for 128 1-4 75: A237, 267-0048-00, 424-237 and 10 more. Substitute compatibility should be verified for your specific system.
Is 128 1-4 75 still available?
128 1-4 75 is currently cancelled.
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