PartsTable
Technical Data Sheet
D309766-103 ✓ 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,ANGLE is a the manufacturer industrial component. Key specifications include material: STEEL BODY, seat_angle: 37.0 DEGREES FIRST END, bonnet_type: INSIDE SCREW, thread_class: 3B SECOND END, connection_type: THREADED INTERNAL BOSS SECOND END, connection_style: GASKET SEAL(BOSS) SECOND END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-036-7430, 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
D309766-103
NSN: 4820-01-036-7430
FSC: 4820
CAGE: 16603 — CONTROL FLOW, INC. DBA WESTECH HEAVY MACHINERY DIVISION DIV WESTECH HEAVY MACHINERY DIVISION (USA)
SPECIFICATIONS
materialSTEEL BODY
seat_angle37.0 DEGREES FIRST END
bonnet_typeINSIDE SCREW
thread_class3B SECOND END
connection_typeTHREADED INTERNAL BOSS SECOND END
connection_styleGASKET SEAL(BOSS) SECOND END
style_designatorANGLE
thread_directionRIGHT-HAND FIRST END
surface_treatmentCADMIUM
operating_pressure10000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceSTEM
nominal_thread_size0.250 INCHES FIRST END IN
NSN4820-01-036-7430
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: D309766-103 · 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
SEAT ANGLE: 37.0 DEGREES FIRST END
STYLE DESIGNATOR: ANGLE
MAXIMUM OPERATING TEMP: 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION TYPE: THREADED INTERNAL BOSS SECOND END
OPERATING PRESSURE: 10000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SINGLE RESPONSE
BONNET TYPE: INSIDE SCREW
THREAD DIRECTION: RIGHT-HAND FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
SEAT ANGLE37.0 DEGREES FIRST END
STYLE DESIGNATORANGLE
MAXIMUM OPERATING TEMP212.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION TYPETHREADED INTERNAL BOSS SECOND END
OPERATING PRESSURE10000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
BONNET TYPEINSIDE SCREW
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD CLASS3B SECOND END
FLOW CONTROL DEVICESTEM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
5904Interchangeable
interchangeable cross-reference
interchangeable
23-520Interchangeable
interchangeable cross-reference
interchangeable
MILE1TYPE5904Interchangeable
interchangeable cross-reference
interchangeable
DMS 80034BInterchangeable
interchangeable cross-reference
interchangeable
MIL-B-43666 TY3ST3Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-43666Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D309766-103?
D309766-103 is a VALVE,ANGLE.
What parts can replace D309766-103?
There are 11 known substitutes for D309766-103: 5904, 23-520, MILE1TYPE5904 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D309766-103?
D309766-103 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-036-7430. This indicates validated use in U.S. government and defense supply chains.
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