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VV405 — MICROCIRCUIT,DIGITAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

VV405: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, flange_shape: HEXAGON SECOND END, connection_type: FLANGE SECOND END, connection_style: PLAIN (PIPE) FIRST END, nominal_thickness: 0.125 INCHES SECOND END IN, flange_face_design: PLAIN SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-165-0579, 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
VV405
NSN: 4820-00-165-0579
FSC: 4820 — Valves, Nonpowered
CAGE: 55921 — CURTIS-TOLEDO, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flange_shapeHEXAGON SECOND END
connection_typeFLANGE SECOND END
connection_stylePLAIN (PIPE) FIRST END
nominal_thickness0.125 INCHES SECOND END IN
flange_face_designPLAIN SECOND END
operating_pressure70.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
opening_pressure_setting70.0 POUNDS PER SQUARE INCH LBS
NSN4820-00-165-0579
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: VV405 · 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
•
FLANGE SHAPE: HEXAGON SECOND END
•
FLANGE FACE DESIGN: PLAIN SECOND END
•
CONNECTION STYLE: PLAIN (PIPE) FIRST END
•
CONNECTION TYPE: FLANGE SECOND END
•
OPERATING PRESSURE: 70.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MATERIAL: COPPER ALLOY OVERALL
•
OPENING PRESSURE SETTING: 70.0 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
FLANGE SHAPEHEXAGON SECOND END
FLANGE FACE DESIGNPLAIN SECOND END
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
OPERATING PRESSURE70.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MATERIALCOPPER ALLOY OVERALL
OPENING PRESSURE SETTING70.0 POUNDS PER SQUARE INCH LBS
NOMINAL THICKNESS0.125 INCHES SECOND END IN
SUBSTITUTES & CROSS-REFERENCES 1
NC25-70Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 VV405?
VV405 is a MICROCIRCUIT,DIGITAL.
What parts can replace VV405?
There is 1 known substitute for VV405: NC25-70. Substitute compatibility should be verified for your specific system.
What is the NSN for VV405?
VV405 is cataloged in the U.S. Government catalog under NSN 4820-00-165-0579. 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.