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Technical Data Sheet
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20-07439 — BALL,VALVE,PORTED

✓ Government record, cited
Rubo Toys · GATE VALVE
PRODUCT OVERVIEW

20-07439: BALL,VALVE,PORTED.

Let’s get the ball rolling! This captivating Spiral Tower makes for endless excitement. The colourful toy consists of 5 soft-hued pieces that your little one can easily stack.

Drop the balls one by one onto the top tier and see how each of them winds and rolls down. The Spiral Tower enhances hand-eye coordination and teaches a child the concept of cause and effect, ensuring it’s both fun and educational. The Spiral Tower comes with three big easy-to-grip balls in different colours that make a little sound when moving.

Comes in full-color box. Suitable for children from 10 months. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-952-4894, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
20-07439
NSN: 4820-00-952-4894
FSC: 4820 — Valves, Nonpowered
CAGE: 03670 — TYCO FIRE PRODUCTS LP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
port_diameter0.375 INCHES NOMINAL IN
port_quantity2
surface_treatmentPLASTIC POLYTETRAFLUOROETHYLENE
port_configurationSTRAIGHT
stem_accommodation_quantity1
NSN4820-00-952-4894
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20-07439 · Rubo Toys ⚠ 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: 0.375 INCHES NOMINAL IN
•
PORT CONFIGURATION: STRAIGHT
•
STEM ACCOMMODATION QUANTITY: 1
•
PORT QUANTITY: 2
•
SURFACE TREATMENT: PLASTIC POLYTETRAFLUOROETHYLENE
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
PORT DIAMETER0.375 INCHES NOMINAL IN
PORT CONFIGURATIONSTRAIGHT
STEM ACCOMMODATION QUANTITY1
PORT QUANTITY2
SURFACE TREATMENTPLASTIC POLYTETRAFLUOROETHYLENE
MATERIALSTEEL CORROSION RESISTING
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
V7439Reference 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 20-07439?
20-07439 is a BALL,VALVE,PORTED manufactured by Rubo Toys.
What parts can replace 20-07439?
There is 1 known substitute for 20-07439: V7439. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-07439?
20-07439 is cataloged in the U.S. Government catalog under NSN 4820-00-952-4894. 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.