PartsTable
Technical Data Sheet
G1L M39 ✓ 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

VALVE,REGULATING,FLUID PRESSURE. Key specifications include body_style: STRAIGHT THRU, flow_control_device: DISK, first_end_connection_type: THREADED INTERNAL PIPE, third_end_connection_type: THREADED INTERNAL PIPE, first_end_style_designator: PLAIN, first_end_thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-394-3764, 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
G1L M39
NSN: 4820-01-394-3764
FSC: 4820
CAGE: 41387 — SIEMENS INDUSTRY, INC. DBA SIEMENS ENERGY DIV PROCESS INDUSTRIES AND DRIVES (USA)
SPECIFICATIONS
body_styleSTRAIGHT THRU
flow_control_deviceDISK
end_connection_quantity3
first_end_connection_typeTHREADED INTERNAL PIPE
third_end_connection_typeTHREADED INTERNAL PIPE
first_end_style_designatorPLAIN
first_end_thread_directionRIGHT-HAND
third_end_style_designatorPLAIN
third_end_thread_directionRIGHT-HAND
second_end_relationship_with_first_endNOT IDENTICAL
thread_size_and_series/type_designator1/4-18 NPT FIRST END
third_end_relationship_with_preceding_endsNOT IDENTICAL WITH FIRST OR SECOND END
NSN4820-01-394-3764
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: G1L M39 · 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
THIRD END STYLE DESIGNATOR: PLAIN
END CONNECTION QUANTITY: 3
THIRD END CONNECTION TYPE: THREADED INTERNAL PIPE
THIRD END RELATIONSHIP WITH PRECEDING ENDS: NOT IDENTICAL WITH FIRST OR SECOND END
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1/4-18 NPT FIRST END
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
FLOW CONTROL DEVICE: DISK
FIRST END THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
THIRD END STYLE DESIGNATORPLAIN
END CONNECTION QUANTITY3
THIRD END CONNECTION TYPETHREADED INTERNAL PIPE
THIRD END RELATIONSHIP WITH PRECEDING ENDSNOT IDENTICAL WITH FIRST OR SECOND END
THREAD SIZE AND SERIES/TYPE DESIGNATOR1/4-18 NPT FIRST END
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
FLOW CONTROL DEVICEDISK
FIRST END THREAD DIRECTIONRIGHT-HAND
BODY STYLESTRAIGHT THRU
THIRD END THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
2-10026Interchangeable
interchangeable cross-reference
interchangeable
91268-15Interchangeable
interchangeable cross-reference
interchangeable
720042Interchangeable
interchangeable cross-reference
interchangeable
72004/2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G1L M39?
G1L M39 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace G1L M39?
There are 4 known substitutes for G1L M39: 2-10026, 91268-15, 720042 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for G1L M39?
G1L M39 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-394-3764. This indicates validated use in U.S. government and defense supply chains.
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