PartsTable
Technical Data Sheet
639AS1385 ✓ 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,GLOBE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, bonnet_type: INSIDE SCREW, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, special_features: W/VITON O-RING, style_designator: STRAIGHT THRU. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-086-4419, 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
639AS1385
NSN: 4820-01-086-4419
FSC: 4820
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
bonnet_typeINSIDE SCREW
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
special_featuresW/VITON O-RING
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
surface_treatmentPASSIVATE
operating_pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceNEEDLE
nominal_thread_size0.250 INCHES ALL ENDS IN
maximum_operating_temp131.0 FAHRENHEIT SINGLE RESPONSE DEGF
NSN4820-01-086-4419
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 639AS1385 · 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
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
OPERATING PRESSURE: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
MATERIAL: STEEL CORROSION RESISTING BODY
BONNET ATTACHMENT METHOD: THREADED
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
BONNET TYPE: INSIDE SCREW
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
SPECIAL FEATURESW/VITON O-RING
OPERATING PRESSURE6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
MATERIALSTEEL CORROSION RESISTING BODY
BONNET ATTACHMENT METHODTHREADED
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
BONNET TYPEINSIDE SCREW
MAXIMUM OPERATING TEMP131.0 FAHRENHEIT SINGLE RESPONSE DEGF
FLOW CONTROL DEVICENEEDLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
E-50GInterchangeable
interchangeable cross-reference
interchangeable
WC586Interchangeable
interchangeable cross-reference
interchangeable
E50-MInterchangeable
interchangeable cross-reference
interchangeable
P273Interchangeable
interchangeable cross-reference
interchangeable
7052Interchangeable
interchangeable cross-reference
interchangeable
2125Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 639AS1385?
639AS1385 is a VALVE,GLOBE.
What parts can replace 639AS1385?
There are 17 known substitutes for 639AS1385: E-50G, WC586, E50-M and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 639AS1385?
639AS1385 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-086-4419. This indicates validated use in U.S. government and defense supply chains.
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