PartsTable
Technical Data Sheet
401X ✓ 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

VALVE,RELIEF,PRESSURE AND TEMPER. Key specifications include material: COPPER ALLOY STEM, body_style: ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS, temp_rating: 210.0 FAHRENHEIT DEGF, furnished_items: EMERGENCY OPENING DEVICE, special_features: 355.000 BTU PER HR MIN DISCHARGE, temp_adjustability: NOT ADJUSTABLE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-632-1521, 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
401X
NSN: 4820-00-632-1521
FSC: 4820
CAGE: 42892 — SMITH A O CORP CONSUMER PRODUCTS DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY STEM
body_styleANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
temp_rating210.0 FAHRENHEIT DEGF
furnished_itemsEMERGENCY OPENING DEVICE
special_features355.000 BTU PER HR MIN DISCHARGE
temp_adjustabilityNOT ADJUSTABLE
flow_control_devicePOPPET
end_connection_quantity2
media_for_which_designedWATER, FRESH
opening_pressure_settingERR-060
temp_control_device_typeTHERMOSTATIC
first_end_connection_typeTHREADED INTERNAL PIPE
NSN4820-00-632-1521
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 401X · 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
SECOND END NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES IN
SECOND END CONNECTION TYPE: THREADED EXTERNAL PIPE
END CONNECTION QUANTITY: 2
MATERIAL: COPPER ALLOY SEAT
FLOW CONTROL DEVICE: POPPET
TEMP ADJUSTABILITY: NOT ADJUSTABLE
SECOND END STYLE DESIGNATOR: PLAIN
FURNISHED ITEMS: EMERGENCY OPENING DEVICE
TECHNICAL CHARACTERISTICS (FLIS)
SECOND END NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES IN
SECOND END CONNECTION TYPETHREADED EXTERNAL PIPE
END CONNECTION QUANTITY2
MATERIALCOPPER ALLOY SEAT
FLOW CONTROL DEVICEPOPPET
TEMP ADJUSTABILITYNOT ADJUSTABLE
SECOND END STYLE DESIGNATORPLAIN
FURNISHED ITEMSEMERGENCY OPENING DEVICE
TEMP CONTROL DEVICE TYPETHERMOSTATIC
MATERIALPLASTIC SILICONE FLOW CONTROL DEVICE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
240Interchangeable
interchangeable cross-reference
interchangeable
MILV13612Interchangeable
interchangeable cross-reference
interchangeable
N240-X-1INInterchangeable
interchangeable cross-reference
interchangeable
3012GInterchangeable
interchangeable cross-reference
interchangeable
927267Interchangeable
interchangeable cross-reference
interchangeable
7760507Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 401X?
401X is a VALVE,RELIEF,PRESSURE AND TEMPER.
What parts can replace 401X?
There are 22 known substitutes for 401X: 240, MILV13612, N240-X-1IN and 19 more. Substitute compatibility should be verified for your specific system.
Is 401X still available?
401X is currently cancelled.
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