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5566-40-533-4168 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

5566-40-533-4168: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, overall_length: 3.450 INCHES NOMINAL IN, end_item_identification: E/I:VALVE,BALL P/N:6405334 ASSY.68,DF330687 ASSY.68, stem_actuating_end_type: SLOTTED, largest_outside_diameter: 0.988 INCHES NOMINAL IN, valve_size_for_which_designed: 0.750 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-500-4268, 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
5566-40-533-4168
NSN: 4820-01-500-4268
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY
overall_length3.450 INCHES NOMINAL IN
end_item_identificationE/I:VALVE,BALL P/N:6405334 ASSY.68,DF330687 ASSY.68
stem_actuating_end_typeSLOTTED
largest_outside_diameter0.988 INCHES NOMINAL IN
valve_size_for_which_designed0.750 INCHES IN
valve_type_for_which_designedBALL
NSN4820-01-500-4268
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 5566-40-533-4168 · 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
•
VALVE TYPE FOR WHICH DESIGNED: BALL
•
LARGEST OUTSIDE DIAMETER: 0.988 INCHES NOMINAL IN
•
STEM ACTUATING END TYPE: SLOTTED
•
VALVE SIZE FOR WHICH DESIGNED: 0.750 INCHES IN
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDBALL
LARGEST OUTSIDE DIAMETER0.988 INCHES NOMINAL IN
STEM ACTUATING END TYPESLOTTED
OVERALL LENGTH3.450 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED0.750 INCHES IN
END ITEM IDENTIFICATIONE/I:VALVE,BALL P/N:6405334 ASSY.68,DF330687 ASSY.68
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 3
DF330687-168Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
14460807Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6405334D01Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5566-40-533-4168?
5566-40-533-4168 is a STEM,FLUID VALVE.
What parts can replace 5566-40-533-4168?
There are 3 known substitutes for 5566-40-533-4168: DF330687-168, 14460807, 6405334D01. Substitute compatibility should be verified for your specific system.
What is the NSN for 5566-40-533-4168?
5566-40-533-4168 is cataloged in the U.S. Government catalog under NSN 4820-01-500-4268. 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.