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20-03400 — BALL,VALVE,PORTED

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20-03400: BALL,VALVE,PORTED.

The BALL,VALVE,PORTED is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, port_diameter: 0.500 INCHES NOMINAL IN, surface_treatment: PLASTIC POLYTETRAFLUOROETHYLENE, port_configuration: STRAIGHT, spherical_diameter: 0.878 INCHES NOMINAL IN, material_document_and_classification: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-987-7205, 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
20-03400
NSN: 4820-00-987-7205
FSC: 4820 — Valves, Nonpowered
CAGE: 03670 — TYCO FIRE PRODUCTS LP (USA)
SPECIFICATIONS
materialNICKEL ALLOY
port_diameter0.500 INCHES NOMINAL IN
port_quantity2
surface_treatmentPLASTIC POLYTETRAFLUOROETHYLENE
port_configurationSTRAIGHT
spherical_diameter0.878 INCHES NOMINAL IN
stem_accommodation_quantity1
material_document_and_classificationQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE
NSN4820-00-987-7205
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20-03400 · 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
•
PORT DIAMETER: 0.500 INCHES NOMINAL IN
•
SPHERICAL DIAMETER: 0.878 INCHES NOMINAL IN
•
PORT CONFIGURATION: STRAIGHT
•
STEM ACCOMMODATION QUANTITY: 1
•
PORT QUANTITY: 2
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE
•
SURFACE TREATMENT: PLASTIC POLYTETRAFLUOROETHYLENE
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
PORT DIAMETER0.500 INCHES NOMINAL IN
SPHERICAL DIAMETER0.878 INCHES NOMINAL IN
PORT CONFIGURATIONSTRAIGHT
STEM ACCOMMODATION QUANTITY1
PORT QUANTITY2
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENTPLASTIC POLYTETRAFLUOROETHYLENE
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 1
V3400Reference 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 20-03400?
20-03400 is a BALL,VALVE,PORTED.
What parts can replace 20-03400?
There is 1 known substitute for 20-03400: V3400. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-03400?
20-03400 is cataloged in the U.S. Government catalog under NSN 4820-00-987-7205. 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.