PartsTable
Technical Data Sheet
8639FH1-4 ✓ 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 OVERALL, bonnet_type: INSIDE SCREW, connection_type: THREADED EXTERNAL PIPE SECOND END, connection_style: PLAIN,OPTIONAL END(PIPE) FIRST END, style_designator: ANGLE, thread_direction: RIGHT-HAND 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 4820-00-428-2501, 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
8639FH1-4
NSN: 4820-00-428-2501
FSC: 4820
CAGE: 66935 — JOHNSON CONTROLS NAVY SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bonnet_typeINSIDE SCREW
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_stylePLAIN,OPTIONAL END(PIPE) FIRST END
style_designatorANGLE
thread_directionRIGHT-HAND SECOND END
features_providedBONNET PACKING
flow_control_deviceDISK
nominal_thread_size0.250 INCHES FIRST END IN
valve_operation_methodMANUAL
bonnet_attachment_methodTHREADED
thread_series_designatorNPT FIRST END
NSN4820-00-428-2501
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 8639FH1-4 · 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
BONNET ATTACHMENT METHOD: THREADED
BONNET TYPE: INSIDE SCREW
VALVE OPERATION METHOD: MANUAL
NOMINAL THREAD SIZE: 0.250 INCHES SECOND END IN
THREAD DIRECTION: RIGHT-HAND FIRST END
STYLE DESIGNATOR: ANGLE
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
BONNET ATTACHMENT METHODTHREADED
BONNET TYPEINSIDE SCREW
VALVE OPERATION METHODMANUAL
NOMINAL THREAD SIZE0.250 INCHES SECOND END IN
NOMINAL THREAD SIZE0.250 INCHES FIRST END IN
THREAD DIRECTIONRIGHT-HAND FIRST END
STYLE DESIGNATORANGLE
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
MATERIALSTEEL OVERALL
CONNECTION STYLEPLAIN (PIPE) SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
00725665450426Interchangeable
interchangeable cross-reference
interchangeable
51-10312Interchangeable
interchangeable cross-reference
interchangeable
204C22Interchangeable
interchangeable cross-reference
interchangeable
128425-1Interchangeable
interchangeable cross-reference
interchangeable
94191Interchangeable
interchangeable cross-reference
interchangeable
4313473Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8639FH1-4?
8639FH1-4 is a VALVE,ANGLE.
What parts can replace 8639FH1-4?
There are 6 known substitutes for 8639FH1-4: 00725665450426, 51-10312, 204C22 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8639FH1-4?
8639FH1-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-428-2501. This indicates validated use in U.S. government and defense supply chains.
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