PartsTable
Technical Data Sheet
40444-408 ✓ 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, furnished_items: TAILPIECE AND UNION NUT, regulation_type: AUTOMATIC SINGLE STAGE, valve_stem_design: SINGLE SEAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-499-3363, 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
40444-408
NSN: 4820-01-499-3363
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
furnished_itemsTAILPIECE AND UNION NUT
regulation_typeAUTOMATIC SINGLE STAGE
valve_stem_designSINGLE SEAT
flow_control_deviceDISK, FLAT, TOP AND BOTTOM GUIDED
valve_loading_methodSPRING
face_to_face_distance11.938 INCHES NOMINAL IN
outlet_pressure_range50.0 TO 125.0 CAMERA MOUNT
end_connection_quantity2
end_item_identificationW/S NIMITZ CLASS CVN
NSN4820-01-499-3363
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 40444-408 · 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
NONDEFINITIVE SPEC/STD DATA: PE I TYPE
MATERIAL DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
BODY STYLE: STRAIGHT THRU
FLOW CONTROL DEVICE: DISK, FLAT, TOP AND BOTTOM GUIDED
VALVE LOADING METHOD: SPRING
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATAPE I TYPE
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY STEM
BODY STYLESTRAIGHT THRU
FLOW CONTROL DEVICEDISK, FLAT, TOP AND BOTTOM GUIDED
VALVE LOADING METHODSPRING
PART NAME ASSIGNED BY CONTROLLING AGENCY1-1/2 INCH TRAC STYLE H SEA WATER PRESSURE REDUCING VALVE AS PER MIL-V-2042 / ASTM -F1370, TYPE 1 250 POUNDS (PSI). LBS
MAXIMUM INLET PRESSURE RATINGERR-060
END CONNECTION QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
4361 1 1/4IN 30Interchangeable
interchangeable cross-reference
interchangeable
40400-09 25T60PSIInterchangeable
interchangeable cross-reference
interchangeable
4820PL1341134Interchangeable
interchangeable cross-reference
interchangeable
ASTM F 1370Interchangeable
interchangeable cross-reference
interchangeable
ASTM F 1370-2GF1BInterchangeable
interchangeable cross-reference
interchangeable
MILV2042Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40444-408?
40444-408 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 40444-408?
There are 24 known substitutes for 40444-408: 4361 1 1/4IN 30, 40400-09 25T60PSI, 4820PL1341134 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40444-408?
40444-408 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-499-3363. This indicates validated use in U.S. government and defense supply chains.
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