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W155550 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

W155550: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include special_features: PART NAME ASSGINED BY CONTROLLING AGENCY IS, STEM AND DISK ASSEMBLY. NHA: 4820-01-560-9281; VALVE,SAFETY RELIEF, end_item_identification: NEW CONSTRUCTION LPD18,19,20.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-560-9290, 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
W155550
NSN: 4820-01-560-9290
FSC: 4820 — Valves, Nonpowered
CAGE: 8FGX3 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
special_featuresPART NAME ASSGINED BY CONTROLLING AGENCY IS, STEM AND DISK ASSEMBLY. NHA: 4820-01-560-9281; VALVE,SAFETY RELIEF
end_item_identificationNEW CONSTRUCTION LPD18,19,20
NSN4820-01-560-9290
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: W155550 · 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
SPECIAL FEATURESPART NAME ASSGINED BY CONTROLLING AGENCY IS, STEM AND DISK ASSEMBLY. NHA: 4820-01-560-9281; VALVE,SAFETY RELIEF
END ITEM IDENTIFICATIONNEW CONSTRUCTION LPD18,19,20
SUBSTITUTES & CROSS-REFERENCES 2
12428157TMReference document
Same NSN cross-reference
Reference document — Drawing number reference only
12428157TM ITEM 12,13,14,15,16Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 W155550?
W155550 is a STEM,FLUID VALVE.
What parts can replace W155550?
There are 2 known substitutes for W155550: 12428157TM, 12428157TM ITEM 12,13,14,15,16. Substitute compatibility should be verified for your specific system.
What is the NSN for W155550?
W155550 is cataloged in the U.S. Government catalog under NSN 4820-01-560-9290. This indicates validated use in U.S. government and defense supply chains.
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