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Technical Data Sheet
PartsTable / COMPONENT / 49F9798-50
49F9798-50 ✓ 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 COCK,POPPET DRAIN is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY LINING, connection_style: PLAIN (PIPE) FIRST END, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND FIRST END, flow_control_device: STEM, nominal_thread_size: 0.250 INCHES FIRST END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-097-0319, 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
49F9798-50
NSN: 4820-00-097-0319
FSC: 4820
CAGE: 80049 — DEPARTMENT OF THE AIR FORCE (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY LINING
connection_stylePLAIN (PIPE) FIRST END
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND FIRST END
flow_control_deviceSTEM
nominal_thread_size0.250 INCHES FIRST END IN
valve_operation_methodMANUAL
thread_series_designatorANPT FIRST END
NSN4820-00-097-0319
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 49F9798-50 · 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
•
NOMINAL THREAD SIZE: 0.250 INCHES FIRST END IN
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL: COPPER ALLOY BODY
•
CONNECTION STYLE: PLAIN (PIPE) FIRST END
•
VALVE OPERATION METHOD: MANUAL
•
THREAD SERIES DESIGNATOR: ANPT FIRST END
•
THREAD DIRECTION: RIGHT-HAND FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.250 INCHES FIRST END IN
STYLE DESIGNATORSTRAIGHT THRU
MATERIALCOPPER ALLOY BODY
CONNECTION STYLEPLAIN (PIPE) FIRST END
MATERIALCOPPER ALLOY BODY LINING
VALVE OPERATION METHODMANUAL
THREAD SERIES DESIGNATORANPT FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST END
FLOW CONTROL DEVICESTEM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
GGG-P-501Interchangeable
interchangeable cross-reference
interchangeable
830012Interchangeable
interchangeable cross-reference
interchangeable
GGG-P-501 TY1SZ18OZInterchangeable
interchangeable cross-reference
interchangeable
8521Interchangeable
interchangeable cross-reference
interchangeable
0051130-012Interchangeable
interchangeable cross-reference
interchangeable
LE414-0052-0003Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 49F9798-50?
49F9798-50 is a COCK,POPPET DRAIN.
What parts can replace 49F9798-50?
There are 12 known substitutes for 49F9798-50: GGG-P-501, 830012, GGG-P-501 TY1SZ18OZ and 9 more. Substitute compatibility should be verified for your specific system.
Is 49F9798-50 still available?
49F9798-50 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026