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Technical Data Sheet
PartsTable / COMPONENT / 40444-409
40444-409 ✓ 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,SYSTEM PRESSURE. Key specifications include end_item_identification: E/I 1 1/2 INCH TRAC STYLE 'H' SEA WATER PRESSURE REDUCING VALVE, TYPE 1 250 POUND; W/S WICHITA CLASS AOR LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-480-6689, 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
40444-409
NSN: 4820-01-480-6689
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
end_item_identificationE/I 1 1/2 INCH TRAC STYLE 'H' SEA WATER PRESSURE REDUCING VALVE, TYPE 1 250 POUND; W/S WICHITA CLASS AOR LBS
NSN4820-01-480-6689
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40444-409 · 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONE/I 1 1/2 INCH TRAC STYLE 'H' SEA WATER PRESSURE REDUCING VALVE, TYPE 1 250 POUND; W/S WICHITA CLASS AOR LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
921-0031-010Interchangeable
interchangeable cross-reference
interchangeable
800659Interchangeable
interchangeable cross-reference
interchangeable
40444-404Interchangeable
interchangeable cross-reference
interchangeable
40444-4Interchangeable
interchangeable cross-reference
interchangeable
40444-4 ITEM 40444-404Interchangeable
interchangeable cross-reference
interchangeable
64-300 FIND NO. 12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40444-409?
40444-409 is a VALVE,REGULATING,SYSTEM PRESSURE.
What parts can replace 40444-409?
There are 12 known substitutes for 40444-409: 921-0031-010, 800659, 40444-404 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40444-409?
40444-409 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-480-6689. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026