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RK909VT-887138 — PARTS KIT,VENT VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

RK909VT-887138: PARTS KIT,VENT VALVE.

The PARTS KIT,VENT VALVE is a the manufacturer industrial component. Key specifications include end_item_name: BACKFLOW PREVENTER, end_item_source: 79227, end_item_identification: SERIES 909,SIZE 1 1/4 TO 2 IN. IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-408-4755, 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
RK909VT-887138
NSN: 4820-01-408-4755
FSC: 4820 — Valves, Nonpowered
CAGE: 79227 — WATTS REGULATOR COMPANY (USA)
SPECIFICATIONS
end_item_nameBACKFLOW PREVENTER
end_item_source79227
end_item_identificationSERIES 909,SIZE 1 1/4 TO 2 IN. IN
NSN4820-01-408-4755
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: RK909VT-887138 · 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
•
END ITEM SOURCE: 79227
•
END ITEM NAME: BACKFLOW PREVENTER
TECHNICAL CHARACTERISTICS
END ITEM SOURCE79227
END ITEM NAMEBACKFLOW PREVENTER
END ITEM IDENTIFICATIONSERIES 909,SIZE 1 1/4 TO 2 IN. IN
SUBSTITUTES & CROSS-REFERENCES 2
LFRK909M1-VT 1 1/4-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
887138Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RK909VT-887138?
RK909VT-887138 is a PARTS KIT,VENT VALVE.
What parts can replace RK909VT-887138?
There are 2 known substitutes for RK909VT-887138: LFRK909M1-VT 1 1/4-2, 887138. Substitute compatibility should be verified for your specific system.
What is the NSN for RK909VT-887138?
RK909VT-887138 is cataloged in the U.S. Government catalog under NSN 4820-01-408-4755. 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.