PartsTable
Technical Data Sheet
636-0-8303 ✓ 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: RUBBER SYNTHETIC FLOW CONTROL DEVICE, body_style: TEE, temp_rating: 175.0 FAHRENHEIT NOMINAL DEGF, regulation_type: AUTOMATIC SINGLE STAGE, flow_control_device: DIAPHRAGM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-001-6203, 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
636-0-8303
NSN: 4820-00-001-6203
FSC: 4820
CAGE: 37871 — FOREMOST INDUSTRIES LP DIV INDUSTRIES LTD (CAN)
SPECIFICATIONS
filterNOT INCLUDED
materialRUBBER SYNTHETIC FLOW CONTROL DEVICE
body_styleTEE
temp_rating175.0 FAHRENHEIT NOMINAL DEGF
regulation_typeAUTOMATIC SINGLE STAGE
flow_control_deviceDIAPHRAGM
valve_loading_methodSPRING
end_connection_quantity3
media_for_which_designedSTEAM
first_end_style_designatorPLAIN
second_end_relationship_with_first_endIDENTICAL
thread_size_and_series/type_designator0.250-18 NPT FIRST END
NSN4820-00-001-6203
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 636-0-8303 · 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
BODY STYLE: TEE
MEDIA FOR WHICH DESIGNED: STEAM
FILTER: NOT INCLUDED
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.250-18 NPT FIRST END
REGULATION TYPE: AUTOMATIC SINGLE STAGE
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
FLOW CONTROL DEVICE: DIAPHRAGM
VALVE LOADING METHOD: SPRING
TECHNICAL CHARACTERISTICS (FLIS)
BODY STYLETEE
MEDIA FOR WHICH DESIGNEDSTEAM
FILTERNOT INCLUDED
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.250-18 NPT FIRST END
REGULATION TYPEAUTOMATIC SINGLE STAGE
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FLOW CONTROL DEVICEDIAPHRAGM
VALVE LOADING METHODSPRING
MATERIALBRASS SEAT
THIRD END RELATIONSHIP WITH PRECEDING ENDSIDENTICAL WITH FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1301FInterchangeable
interchangeable cross-reference
interchangeable
FS1301F-3Interchangeable
interchangeable cross-reference
interchangeable
6301ZCE1TX9Interchangeable
interchangeable cross-reference
interchangeable
FFB171Interchangeable
interchangeable cross-reference
interchangeable
7601X1CInterchangeable
interchangeable cross-reference
interchangeable
9662Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 636-0-8303?
636-0-8303 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 636-0-8303?
There are 12 known substitutes for 636-0-8303: 1301F, FS1301F-3, 6301ZCE1TX9 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 636-0-8303?
636-0-8303 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-001-6203. This indicates validated use in U.S. government and defense supply chains.
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