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909-S — VALVE ASSEMBLY,BACKFLOW PREVENTE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

909-S: VALVE ASSEMBLY,BACKFLOW PREVENTE.

VALVE ASSEMBLY,BACKFLOW PREVENTE. This part is cataloged in the U.S. Government catalog under NSN 4820-00-623-9332, 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
909-S
NSN: 4820-00-623-9332
FSC: 4820 — Valves, Nonpowered
CAGE: 79227 — WATTS REGULATOR COMPANY (USA)
SPECIFICATIONS
general_characteristics_item_descriptionBRONZE AND RUBBER BODY AND COMPONENTS;WATER APPLICATION; VALVE SIZE 1.000 IN,INCLUDES TWO BALL VALVE,TWO CHECK VALVE,BRONZE STRAINER,RELIEF VALVE IN
NSN4820-00-623-9332
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 909-S · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: BRONZE AND RUBBER BODY AND COMPONENTS;WATER APPLICATION; VALVE SIZE 1.000 IN,INCLUDES TWO BALL VALVE,TWO CHECK VALVE,BRONZE STRAINER,RELIEF VALVE IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBRONZE AND RUBBER BODY AND COMPONENTS;WATER APPLICATION; VALVE SIZE 1.000 IN,INCLUDES TWO BALL VALVE,TWO CHECK VALVE,BRONZE STRAINER,RELIEF VALVE IN
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
900-1INReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 909-S?
909-S is a VALVE ASSEMBLY,BACKFLOW PREVENTE.
What parts can replace 909-S?
There is 1 known substitute for 909-S: 900-1IN. Substitute compatibility should be verified for your specific system.
What is the NSN for 909-S?
909-S is cataloged in the U.S. Government catalog under NSN 4820-00-623-9332. This indicates validated use in U.S. government and defense supply chains.
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