PartsTable
Technical Data Sheet
303171202 ✓ 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: BRONZE SEAT, body_style: STRAIGHT THRU, regulation_type: AUTOMATIC SINGLE STAGE, flow_control_device: DISK, FLAT, valve_loading_method: SPRING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-007-4046, 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
303171202
NSN: 4820-01-007-4046
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialBRONZE SEAT
body_styleSTRAIGHT THRU
regulation_typeAUTOMATIC SINGLE STAGE
flow_control_deviceDISK, FLAT
valve_loading_methodSPRING
end_connection_quantity2
outlet_pressure_settingERR-060
first_end_connection_typePLAIN FACE FLANGE
first_end_flange_thickness0.562 INCHES NOMINAL IN
first_end_style_designatorPLAIN
first_end_bolt_hole_diameter0.625 INCHES NOMINAL IN
NSN4820-01-007-4046
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 303171202 · 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: BRONZE SEAT
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 302 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30302 ASSN STD SINGLE MATERIAL RESPONSE STEM
BODY STYLE: STRAIGHT THRU
FIRST END FLANGE OUTSIDE DIAMETER: 5.000 INCHES NOMINAL IN
FIRST END BOLT HOLE DIAMETER: 0.625 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALBRONZE SEAT
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MATERIALSTEEL COMP 302 STEM
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 302 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30302 ASSN STD SINGLE MATERIAL RESPONSE STEM
BODY STYLESTRAIGHT THRU
FIRST END FLANGE OUTSIDE DIAMETER5.000 INCHES NOMINAL IN
FIRST END BOLT HOLE DIAMETER0.625 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FILTERNOT INCLUDED
VALVE LOADING METHODSPRING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
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
402674Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 303171202?
303171202 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 303171202?
There are 16 known substitutes for 303171202: 303-41, 30-3-4-1 11/2, L223F and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 303171202?
303171202 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-007-4046. This indicates validated use in U.S. government and defense supply chains.
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