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PartsTable / COMPONENT / 303056401
303056401 ✓ 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,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: STEEL CORROSION RESISTING STEM, body_style: STRAIGHT THRU, temp_rating: 475.0 FAHRENHEIT MAXIMUM DEGF, regulation_type: AUTOMATIC SINGLE STAGE, flow_control_device: DISK. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-275-4219, 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
303056401
NSN: 4820-01-275-4219
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialSTEEL CORROSION RESISTING STEM
body_styleSTRAIGHT THRU
temp_rating475.0 FAHRENHEIT MAXIMUM DEGF
regulation_typeAUTOMATIC SINGLE STAGE
flow_control_deviceDISK
valve_loading_methodSPRING
outlet_pressure_range10.0 TO 285.0 CAMERA MOUNT
end_connection_quantity2
media_for_which_designedSTEAM OR AIR OR GAS
first_end_connection_typeTHREADED INTERNAL PIPE
first_end_style_designatorPLAIN
NSN4820-01-275-4219
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 303056401 · 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: STEEL CORROSION RESISTING SEAT
•
TEMP RATING: 475.0 FAHRENHEIT MAXIMUM DEGF
•
FIRST END STYLE DESIGNATOR: PLAIN
•
OUTLET PRESSURE RANGE: 10.0 TO 285.0 CAMERA MOUNT
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1-11.5 NPT FIRST END
•
BODY STYLE: STRAIGHT THRU
•
FLOW CONTROL DEVICE: DISK
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING SEAT
TEMP RATING475.0 FAHRENHEIT MAXIMUM DEGF
FIRST END STYLE DESIGNATORPLAIN
OUTLET PRESSURE RANGE10.0 TO 285.0 CAMERA MOUNT
THREAD SIZE AND SERIES/TYPE DESIGNATOR1-11.5 NPT FIRST END
BODY STYLESTRAIGHT THRU
MATERIALSTEEL CORROSION RESISTING STEM
FLOW CONTROL DEVICEDISK
END CONNECTION QUANTITY2
FIRST END CONNECTION TYPETHREADED INTERNAL PIPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
303-41Interchangeable
interchangeable cross-reference
interchangeable
30-3-4-1 11/2Interchangeable
interchangeable cross-reference
interchangeable
L223FInterchangeable
interchangeable cross-reference
interchangeable
30341REV.GInterchangeable
interchangeable cross-reference
interchangeable
296Interchangeable
interchangeable cross-reference
interchangeable
LAN5-1 1-2IN22PSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 303056401?
303056401 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 303056401?
There are 15 known substitutes for 303056401: 303-41, 30-3-4-1 11/2, L223F and 12 more. Substitute compatibility should be verified for your specific system.
Is 303056401 still available?
303056401 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026