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PartsTable / COMPONENT / 4N6 JLT-JOS-15-D 110T143PSI
4N6 JLT-JOS-15-D 110T143PSI ✓ 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

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE, valve_size: 6.000 INCHES IN, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, special_features: INCL PACKED LIFTING LEVER; VALVE SZ 4N6, style_designator: ANGLE FLANGED ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-434-5487, 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
4N6 JLT-JOS-15-D 110T143PSI
NSN: 4820-01-434-5487
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
valve_size6.000 INCHES IN
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
special_featuresINCL PACKED LIFTING LEVER; VALVE SZ 4N6
style_designatorANGLE FLANGED ENDS
nominal_thickness1.000 INCHES FIRST END IN
bolt_hole_quantity8 ALL ENDS
flange_face_designRAISED STRAIGHT ALL ENDS
operating_pressure185.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
NSN4820-01-434-5487
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4N6 JLT-JOS-15-D 110T143PSI · 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
•
BOLT HOLE QUANTITY: 8 ALL ENDS
•
FLANGE FACE DESIGN: RAISED STRAIGHT ALL ENDS
•
NOMINAL THICKNESS: 1.312 INCHES SECOND END IN
•
VALVE SIZE: 6.000 INCHES IN
•
BOLT CIRCLE NOMINAL DIAMETER: 9.500 INCHES FIRST END IN
•
MATERIAL: STEEL CORROSION RESISTING FLOW CONTROL DEVICE
TECHNICAL CHARACTERISTICS (FLIS)
BOLT HOLE QUANTITY8 ALL ENDS
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
NOMINAL THICKNESS1.312 INCHES SECOND END IN
VALVE SIZE6.000 INCHES IN
END ITEM IDENTIFICATIONSUPPLY CLASS AOE
BOLT CIRCLE NOMINAL DIAMETER9.500 INCHES FIRST END IN
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING SEAT
SPECIAL FEATURESINCL PACKED LIFTING LEVER; VALVE SZ 4N6
OPERATING PRESSURE185.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
DS-G-66476Interchangeable
interchangeable cross-reference
interchangeable
107146Interchangeable
interchangeable cross-reference
interchangeable
DS-G-66476 PC NO. 2Interchangeable
interchangeable cross-reference
interchangeable
DS-G-66476 PC NO. 6Interchangeable
interchangeable cross-reference
interchangeable
107130Interchangeable
interchangeable cross-reference
interchangeable
DS-G-66476 PC NO. 5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4N6 JLT-JOS-15-D 110T143PSI?
4N6 JLT-JOS-15-D 110T143PSI is a VALVE,SAFETY RELIEF.
What parts can replace 4N6 JLT-JOS-15-D 110T143PSI?
There are 9 known substitutes for 4N6 JLT-JOS-15-D 110T143PSI: DS-G-66476, 107146, DS-G-66476 PC NO. 2 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4N6 JLT-JOS-15-D 110T143PSI?
4N6 JLT-JOS-15-D 110T143PSI is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-434-5487. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026