PartsTable
Technical Data Sheet
303056601 ✓ 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 COMP 410 AND COBALT ALLOY SEAT, body_style: STRAIGHT THRU, furnished_items: INTERNAL PILOT VALVE, regulation_type: MANUAL SINGLE STAGE, valve_stem_design: SINGLE SEAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-287-3585, 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
303056601
NSN: 4820-00-287-3585
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialSTEEL COMP 410 AND COBALT ALLOY SEAT
body_styleSTRAIGHT THRU
furnished_itemsINTERNAL PILOT VALVE
regulation_typeMANUAL SINGLE STAGE
valve_stem_designSINGLE SEAT
flow_control_deviceDISK, BEVEL SEAT, TOP GUIDED AND DISK, BEVEL SEAT, BOTTOM GUIDED
valve_loading_methodSPRING
manual_control_methodWHEEL
outlet_pressure_range15.0 TO 280.0 CAMERA MOUNT
end_connection_quantity2
remote_actuation_methodPISTON
NSN4820-00-287-3585
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 303056601 · 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
FIRST END STYLE DESIGNATOR: OPTIONAL END
FURNISHED ITEMS: INTERNAL PILOT VALVE
MEDIA FOR WHICH DESIGNED: STEAM
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED SPEC SINGLE MATERIAL RESPONSE OR AISI 410/SAE 51410 ASSN STD SINGLE MATERIAL RESPONSE SEAT
FLOW CONTROL DEVICE: DISK, BEVEL SEAT, TOP GUIDED AND DISK, BEVEL SEAT, BOTTOM GUIDED
FIRST END THREAD DIRECTION: RIGHT-HAND
MAXIMUM INLET PRESSURE RATING: ERR-060
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END STYLE DESIGNATOROPTIONAL END
FURNISHED ITEMSINTERNAL PILOT VALVE
MEDIA FOR WHICH DESIGNEDSTEAM
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED SPEC SINGLE MATERIAL RESPONSE OR AISI 410/SAE 51410 ASSN STD SINGLE MATERIAL RESPONSE SEAT
FLOW CONTROL DEVICEDISK, BEVEL SEAT, TOP GUIDED AND DISK, BEVEL SEAT, BOTTOM GUIDED
FIRST END THREAD DIRECTIONRIGHT-HAND
MAXIMUM INLET PRESSURE RATINGERR-060
REGULATION TYPEMANUAL SINGLE STAGE
FILTERNOT INCLUDED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
303-41Interchangeable
interchangeable cross-reference
interchangeable
11794NInterchangeable
interchangeable cross-reference
interchangeable
L223FInterchangeable
interchangeable cross-reference
interchangeable
L-3 300PSIInterchangeable
interchangeable cross-reference
interchangeable
2194PNInterchangeable
interchangeable cross-reference
interchangeable
147980Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 303056601?
303056601 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 303056601?
There are 14 known substitutes for 303056601: 303-41, 11794N, L223F and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 303056601?
303056601 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-287-3585. This indicates validated use in U.S. government and defense supply chains.
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