PartsTable
Technical Data Sheet
A15203 ✓ 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALL TUBING SEGMENT, seat_angle: 37.0 DEGREES ALL ENDS, bonnet_type: INSIDE SCREW, flexibility: RIGID ALL TUBING SEGMENT, flange_depth: 0.500 INCHES NOMINAL ALL FLANGES IN, flange_style: CONTACT TYPE ALL FLANGES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-202-9308, 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
A15203
NSN: 4820-00-202-9308
FSC: 4820
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
materialCOPPER ALL TUBING SEGMENT
seat_angle37.0 DEGREES ALL ENDS
bonnet_typeINSIDE SCREW
flexibilityRIGID ALL TUBING SEGMENT
flange_depth0.500 INCHES NOMINAL ALL FLANGES IN
flange_styleCONTACT TYPE ALL FLANGES
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
flange_quantity2
connection_styleFLARED (TUBE) ALL ENDS
style_designatorBEND TYPE
thread_directionRIGHT-HAND ALL ENDS
bend_angle_in_deg90.0 ALL BENDS E-PLANE
NSN4820-00-202-9308
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: A15203 · 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: PLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE
SEAT ANGLE: 37.0 DEGREES ALL ENDS
MOUNTING FACILITY: LUG(S)
THREAD SERIES DESIGNATOR: NPSM ALL ENDS
THREAD DIRECTION: RIGHT-HAND ALL ENDS
OPERATING PRESSURE: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
BONNET ATTACHMENT METHOD: THREADED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE
SEAT ANGLE37.0 DEGREES ALL ENDS
MOUNTING FACILITYLUG(S)
SEAT ANGLE37.0 DEGREES ALL ENDS
THREAD SERIES DESIGNATORNPSM ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
OPERATING PRESSURE500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
BONNET ATTACHMENT METHODTHREADED
MATERIALSTEEL STEM
VALVE OPERATION METHODMANUAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
5153Interchangeable
interchangeable cross-reference
interchangeable
DS-934337Interchangeable
interchangeable cross-reference
interchangeable
012-500-0003Interchangeable
interchangeable cross-reference
interchangeable
590B2Interchangeable
interchangeable cross-reference
interchangeable
100114R1Interchangeable
interchangeable cross-reference
interchangeable
301518R1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A15203?
A15203 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace A15203?
There are 21 known substitutes for A15203: 5153, DS-934337, 012-500-0003 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A15203?
A15203 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-202-9308. This indicates validated use in U.S. government and defense supply chains.
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