PartsTable
Technical Data Sheet
421-3-8IN ✓ 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: COPPER ALLOY OVERALL, bonnet_type: INSIDE SCREWINSIDE SCREW, connection_type: THREADED INTERNAL PIPE ALL ENDSTHREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDSPLAIN,OPTIONAL END(PIPE) ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDSRIGHT-HAND ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-460-2412, 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
421-3-8IN
NSN: 4820-00-460-2412
FSC: 4820
CAGE: 14448 — HAMMOND VALVE CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
bonnet_typeINSIDE SCREWINSIDE SCREW
connection_typeTHREADED INTERNAL PIPE ALL ENDSTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDSPLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDSRIGHT-HAND ALL ENDS
operating_pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
flow_control_deviceDISKDISK
nominal_thread_size0.375 INCHES ALL ENDS0.375 INCHES ALL ENDS IN
maximum_operating_temp353.0 FAHRENHEIT FIRST RESPONSE353.0 FAHRENHEIT FIRST RESPONSE DEGF
valve_operation_methodMANUALMANUAL
bonnet_attachment_methodTHREADEDTHREADED
NSN4820-00-460-2412
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 421-3-8IN · 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
THREAD DIRECTION: RIGHT-HAND ALL ENDSRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATOR: NPT ALL ENDS
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SECOND RESPONSE
OPERATING PRESSURE: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
MATERIAL: COPPER ALLOY OVERALL
RENEWABLE SEAT RING TYPE: THREADEDTHREADED
STYLE DESIGNATOR: STRAIGHT THRU
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDSPLAIN,OPTIONAL END(PIPE) ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND ALL ENDSRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
MATERIALCOPPER ALLOY OVERALL
RENEWABLE SEAT RING TYPETHREADEDTHREADED
STYLE DESIGNATORSTRAIGHT THRU
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDSPLAIN,OPTIONAL END(PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDSTHREADED INTERNAL PIPE ALL ENDS
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SECOND RESPONSE150.0 FAHRENHEIT SECOND RESPONSE DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
A2104Interchangeable
interchangeable cross-reference
interchangeable
MS17162Interchangeable
interchangeable cross-reference
interchangeable
B4Interchangeable
interchangeable cross-reference
interchangeable
L-4-2554Interchangeable
interchangeable cross-reference
interchangeable
SL6572-77Interchangeable
interchangeable cross-reference
interchangeable
NC3110-344Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 421-3-8IN?
421-3-8IN is a VALVE,GLOBE.
What parts can replace 421-3-8IN?
There are 20 known substitutes for 421-3-8IN: A2104, MS17162, B4 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 421-3-8IN?
421-3-8IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-460-2412. This indicates validated use in U.S. government and defense supply chains.
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