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540018020039643 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

540018020039643: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, special_features: STUD ITME NO 12 ON DRAWING 40470, 5 INCH MODEL 54-241 SCUPPER VALVE IN, end_item_identification: SCUPPER VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-523-9141, 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
540018020039643
NSN: 4820-01-523-9141
FSC: 4820 — Valves, Nonpowered
CAGE: 09032 — TATE ANDALE, LLC (USA)
SPECIFICATIONS
materialNICKEL ALLOY
special_featuresSTUD ITME NO 12 ON DRAWING 40470, 5 INCH MODEL 54-241 SCUPPER VALVE IN
end_item_identificationSCUPPER VALVE
NSN4820-01-523-9141
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 540018020039643 · 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
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESSTUD ITME NO 12 ON DRAWING 40470, 5 INCH MODEL 54-241 SCUPPER VALVE IN
END ITEM IDENTIFICATIONSCUPPER VALVE
MATERIALNICKEL ALLOY
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
4-470-M21 5.0IN ITEM 5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 540018020039643?
540018020039643 is a STEM,FLUID VALVE.
What parts can replace 540018020039643?
There is 1 known substitute for 540018020039643: 4-470-M21 5.0IN ITEM 5. Substitute compatibility should be verified for your specific system.
What is the NSN for 540018020039643?
540018020039643 is cataloged in the U.S. Government catalog under NSN 4820-01-523-9141. 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.