PartsTable
Technical Data Sheet
40444 ASSEMBLY 40444-905 ✓ 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 filter: NOT INCLUDED, material: NICKEL ALLOY AND COPPER ALLOY SEAT, body_style: STRAIGHT THRU, regulation_type: 1ST STAGE AUTOMATIC, 2ND STAGE MANUAL, flow_control_device: DISK, valve_loading_method: SPRING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-379-4625, 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
40444 ASSEMBLY 40444-905
NSN: 4820-01-379-4625
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialNICKEL ALLOY AND COPPER ALLOY SEAT
body_styleSTRAIGHT THRU
regulation_type1ST STAGE AUTOMATIC, 2ND STAGE MANUAL
flow_control_deviceDISK
valve_loading_methodSPRING
manual_control_methodSCREW
outlet_pressure_range85.0 TO 125.0 CAMERA MOUNT
end_connection_quantity2
remote_actuation_methodDIAPHRAGM
media_for_which_designedWATER, SALT
first_end_connection_typeUNTHREADED INTERNAL PIPE
NSN4820-01-379-4625
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 40444 ASSEMBLY 40444-905 · 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
MEDIA FOR WHICH DESIGNED: WATER, SALT
REMOTE ACTUATION METHOD: DIAPHRAGM
FLOW CONTROL DEVICE: DISK
FIRST END NOMINAL PIPE SIZE ACCOMMODATED: 1.500 INCHES IN
BODY STYLE: STRAIGHT THRU
SPECIFICATION/STANDARD DATA: 81349-MIL-V-2042D GOVERNMENT SPECIFICATION
MATERIAL: NICKEL ALLOY STEM
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-D-17650 MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDWATER, SALT
REMOTE ACTUATION METHODDIAPHRAGM
FLOW CONTROL DEVICEDISK
FIRST END NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES IN
BODY STYLESTRAIGHT THRU
SPECIFICATION/STANDARD DATA81349-MIL-V-2042D GOVERNMENT SPECIFICATION
MATERIALNICKEL ALLOY STEM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-D-17650 MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
NONDEFINITIVE SPEC/STD DATA1 TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
30 1 1-4IN 55T120PSIInterchangeable
interchangeable cross-reference
interchangeable
30 1 1-4IN 250PInterchangeable
interchangeable cross-reference
interchangeable
N-498Interchangeable
interchangeable cross-reference
interchangeable
40406-02 4IN 25T60PSIInterchangeable
interchangeable cross-reference
interchangeable
40406-205 4IN 25T60PSIInterchangeable
interchangeable cross-reference
interchangeable
30813270Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40444 ASSEMBLY 40444-905?
40444 ASSEMBLY 40444-905 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 40444 ASSEMBLY 40444-905?
There are 24 known substitutes for 40444 ASSEMBLY 40444-905: 30 1 1-4IN 55T120PSI, 30 1 1-4IN 250P, N-498 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40444 ASSEMBLY 40444-905?
40444 ASSEMBLY 40444-905 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-379-4625. This indicates validated use in U.S. government and defense supply chains.
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