PartsTable
Technical Data Sheet
128SCEC164-1 ✓ 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: ALUMINUM ALLOY BODY, connection_type: UNTHREADED EXTERNAL TUBE ALL ENDS, connection_style: PLAIN (TUBE) ALL ENDS, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL OR VERTICAL, operating_pressure: 8.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-902-8649, 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
128SCEC164-1
NSN: 4820-00-902-8649
FSC: 4820
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
connection_typeUNTHREADED EXTERNAL TUBE ALL ENDS
connection_stylePLAIN (TUBE) ALL ENDS
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL OR VERTICAL
operating_pressure8.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
media_for_which_designedAIR SINGLE RESPONSE
nominal_outside_diameter_tube_accommodated1.500 INCHES ALL ENDS IN
NSN4820-00-902-8649
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 128SCEC164-1 · 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
MOUNTING POSITION: HORIZONTAL OR VERTICAL
MAXIMUM OPERATING TEMP: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
VALVE OPERATION METHOD: AUTOMATIC
MATERIAL: ALUMINUM ALLOY BODY
CONNECTION STYLE: PLAIN (TUBE) ALL ENDS
CONNECTION TYPE: UNTHREADED EXTERNAL TUBE ALL ENDS
OPERATING PRESSURE: 8.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
FLOW CONTROL DEVICE: POPPET
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING POSITIONHORIZONTAL OR VERTICAL
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE DEGF
VALVE OPERATION METHODAUTOMATIC
MATERIALALUMINUM ALLOY BODY
CONNECTION STYLEPLAIN (TUBE) ALL ENDS
CONNECTION TYPEUNTHREADED EXTERNAL TUBE ALL ENDS
OPERATING PRESSURE8.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
FLOW CONTROL DEVICEPOPPET
DISK LOADING METHODSPRING
STYLE DESIGNATORSTRAIGHT THRU
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
5-2457Interchangeable
interchangeable cross-reference
interchangeable
MS51068RP35-2Interchangeable
interchangeable cross-reference
interchangeable
MILB11040Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 128SCEC164-1?
128SCEC164-1 is a VALVE,CHECK.
What parts can replace 128SCEC164-1?
There are 3 known substitutes for 128SCEC164-1: 5-2457, MS51068RP35-2, MILB11040. Substitute compatibility should be verified for your specific system.
Is 128SCEC164-1 still available?
128SCEC164-1 is currently cancelled.
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