PartsTable
Technical Data Sheet
J50M21 ✓ 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,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, style_designator: ANGLE, thread_direction: RIGHT-HAND ALL ENDS, flow_control_device: BALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-933-1042, 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
J50M21
NSN: 4820-00-933-1042
FSC: 4820
CAGE: 02249 — PARKER HANNIFIN CORPORATION DBA GRESEN HYDRAULICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designatorANGLE
thread_directionRIGHT-HAND ALL ENDS
flow_control_deviceBALL
nominal_thread_size0.750 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC
thread_series_designatorNPT ALL ENDS
NSN4820-00-933-1042
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: J50M21 · 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
STYLE DESIGNATOR: ANGLE
FLOW CONTROL DEVICE: BALL
THREAD SERIES DESIGNATOR: NPT ALL ENDS
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
VALVE OPERATION METHOD: AUTOMATIC
MATERIAL: STEEL OVERALL
NOMINAL THREAD SIZE: 0.750 INCHES ALL ENDS IN
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORANGLE
FLOW CONTROL DEVICEBALL
THREAD SERIES DESIGNATORNPT ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
130167Interchangeable
interchangeable cross-reference
interchangeable
RD4600-1Interchangeable
interchangeable cross-reference
interchangeable
11582Interchangeable
interchangeable cross-reference
interchangeable
UMP17Interchangeable
interchangeable cross-reference
interchangeable
130167H1Interchangeable
Same NIIN cross-reference
interchangeable
380-130167-1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is J50M21?
J50M21 is a VALVE,SAFETY RELIEF.
What parts can replace J50M21?
There are 6 known substitutes for J50M21: 130167, RD4600-1, 11582 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for J50M21?
J50M21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-933-1042. This indicates validated use in U.S. government and defense supply chains.
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