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AE15503 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

AE15503: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY SEAT, seat_angle: 45.0 DEGREES FIRST END, bonnet_type: INSIDE SCREW, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARED (TUBE) FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-950-2782, 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
AE15503
NSN: 4820-00-950-2782
FSC: 4820 — Valves, Nonpowered
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
materialCOPPER ALLOY SEAT
seat_angle45.0 DEGREES FIRST END
bonnet_typeINSIDE SCREW
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleFLARED (TUBE) FIRST END
thread_directionRIGHT-HAND SECOND END
features_providedVALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.500 INCHES FIRST END IN
valve_operation_methodAUTOMATIC
NSN4820-00-950-2782
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: AE15503 · 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
•
FLOW CONTROL DEVICE: POPPET
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.375 INCHES SECOND END IN
•
CONNECTION STYLE: FLARED (TUBE) FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.312 INCHES FIRST END IN
•
FEATURES PROVIDED: VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES SECOND END IN
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.312 INCHES FIRST END IN
FEATURES PROVIDEDVALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE
BONNET TYPEINSIDE SCREW
THREAD DIRECTIONRIGHT-HAND SECOND END
SUBSTITUTES & CROSS-REFERENCES 1
A15503Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AE15503?
AE15503 is a VALVE,SAFETY RELIEF.
What parts can replace AE15503?
There is 1 known substitute for AE15503: A15503. Substitute compatibility should be verified for your specific system.
What is the NSN for AE15503?
AE15503 is cataloged in the U.S. Government catalog under NSN 4820-00-950-2782. This indicates validated use in U.S. government and defense supply chains.
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