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40443-409 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

40443-409: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include media_for_which_designed: WATER, SALT, first_end_nominal_pipe_size_accommodated: 1.250 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-313-7666, 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
40443-409
NSN: 4820-01-313-7666
FSC: 4820 — Valves, Nonpowered
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
media_for_which_designedWATER, SALT
first_end_nominal_pipe_size_accommodated1.250 INCHES IN
NSN4820-01-313-7666
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40443-409 · 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
KEY FEATURES
•
FIRST END NOMINAL PIPE SIZE ACCOMMODATED: 1.250 INCHES IN
•
MEDIA FOR WHICH DESIGNED: WATER, SALT
TECHNICAL CHARACTERISTICS
FIRST END NOMINAL PIPE SIZE ACCOMMODATED1.250 INCHES IN
MEDIA FOR WHICH DESIGNEDWATER, SALT
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
4820PL1505506Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 40443-409?
40443-409 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 40443-409?
There is 1 known substitute for 40443-409: 4820PL1505506. Substitute compatibility should be verified for your specific system.
What is the NSN for 40443-409?
40443-409 is cataloged in the U.S. Government catalog under NSN 4820-01-313-7666. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.