PartsTable
Technical Data Sheet
A14863 ✓ 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,DIAPHRAGM,STOP is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON SEATCOPPER ALLOY AND STEEL CORROSION RESISTING FLOW CONTROL DEVICE, connection_type: UNTHREADED INTERNAL TUBE ALL ENDSUNTHREADED INTERNAL TUBE ALL ENDS, connection_style: SOCKET (TUBE) ALL ENDSSOCKET (TUBE) ALL ENDS, style_designator: STRAIGHT THRU, mounting_facility: BRACKET(S)BRACKET(S), operating_pressure: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-512-3601, 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
A14863
NSN: 4820-00-512-3601
FSC: 4820
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON SEATCOPPER ALLOY AND STEEL CORROSION RESISTING FLOW CONTROL DEVICE
connection_typeUNTHREADED INTERNAL TUBE ALL ENDSUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleSOCKET (TUBE) ALL ENDSSOCKET (TUBE) ALL ENDS
style_designatorSTRAIGHT THRU
mounting_facilityBRACKET(S)BRACKET(S)
operating_pressure500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
maximum_operating_temp275.0 FAHRENHEIT SINGLE RESPONSE275.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUALMANUAL
media_for_which_designedREFRIGERANT 22 SECOND RESPONSE
nominal_outside_diameter_tube_accommodated0.688 INCHES ALL ENDS IN
NSN4820-00-512-3601
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: A14863 · 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
VALVE OPERATION METHOD: MANUALMANUAL
STYLE DESIGNATOR: STRAIGHT THRU
CONNECTION STYLE: SOCKET (TUBE) ALL ENDSSOCKET (TUBE) ALL ENDS
MATERIAL: PLASTIC POLYAMIDE NYLON SEATCOPPER ALLOY BODY
MOUNTING FACILITY: BRACKET(S)BRACKET(S)
MEDIA FOR WHICH DESIGNED: REFRIGERANT 22 SECOND RESPONSE
MAXIMUM OPERATING TEMP: 275.0 FAHRENHEIT SINGLE RESPONSE275.0 FAHRENHEIT SINGLE RESPONSE DEGF
TECHNICAL CHARACTERISTICS (FLIS)
VALVE OPERATION METHODMANUALMANUAL
STYLE DESIGNATORSTRAIGHT THRU
CONNECTION STYLESOCKET (TUBE) ALL ENDSSOCKET (TUBE) ALL ENDS
MATERIALPLASTIC POLYAMIDE NYLON SEATCOPPER ALLOY BODY
MOUNTING FACILITYBRACKET(S)BRACKET(S)
MEDIA FOR WHICH DESIGNEDREFRIGERANT 22 SECOND RESPONSE
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE275.0 FAHRENHEIT SINGLE RESPONSE DEGF
MEDIA FOR WHICH DESIGNEDREFRIGERANT 12 FIRST RESPONSE
MATERIALPLASTIC POLYAMIDE NYLON SEATCOPPER ALLOY AND STEEL CORROSION RESISTING FLOW CONTROL DEVICE
MEDIA FOR WHICH DESIGNEDREFRIGERANT R-502 THIRD RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
14841Interchangeable
interchangeable cross-reference
interchangeable
M1484Interchangeable
interchangeable cross-reference
interchangeable
M1484-1Interchangeable
interchangeable cross-reference
interchangeable
A15225-2Interchangeable
interchangeable cross-reference
interchangeable
A15225TYIIInterchangeable
interchangeable cross-reference
interchangeable
A-15225Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A14863?
A14863 is a VALVE,DIAPHRAGM,STOP.
What parts can replace A14863?
There are 10 known substitutes for A14863: 14841, M1484, M1484-1 and 7 more. Substitute compatibility should be verified for your specific system.
Is A14863 still available?
A14863 is currently cancelled.
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