PartsTable
Technical Data Sheet

11/2 009M2S — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

11/2 009M2S: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, valve_size: 1.500 INCHES IN, valve_operation_method: AUTOMATIC, end_item_identification: MISC PARTS AUXILIARY SYSTEMS LCS1, part_name_assigned_by_controlling_agency: REDUCED PRESSURE ZONE ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-554-8697, 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
11/2 009M2S
NSN: 4820-01-554-8697
FSC: 4820 — Valves, Nonpowered
CAGE: 79227 — WATTS REGULATOR COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
valve_size1.500 INCHES IN
valve_operation_methodAUTOMATIC
end_item_identificationMISC PARTS AUXILIARY SYSTEMS LCS1
part_name_assigned_by_controlling_agencyREDUCED PRESSURE ZONE ASSEMBLY
NSN4820-01-554-8697
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 11/2 009M2S · 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
•
VALVE SIZE: 1.500 INCHES IN
•
MATERIAL: COPPER ALLOY BODY
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
VALVE SIZE1.500 INCHES IN
SPECIAL FEATURESSERIES 009 FEATURES TWO IN-LINE, INDEPENDENT CHECK VALVES, CAPTURED SPRINGS AND REPLACEABLE CHECK SEATS WITH AN INTERMEDIATE RELIEF VALVE; DESIGNED TO PROTECT POTABLE WATER SUPPILES AND TO PREVENT HEALTH HAZARD CROSS CONNECTIONS IN PIPING SYSTEMS
PART NAME ASSIGNED BY CONTROLLING AGENCYREDUCED PRESSURE ZONE ASSEMBLY
END ITEM IDENTIFICATIONMISC PARTS AUXILIARY SYSTEMS LCS1
MATERIALCOPPER ALLOY BODY
VALVE OPERATION METHODAUTOMATIC
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
009M2SReference 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 11/2 009M2S?
11/2 009M2S is a VALVE,CHECK.
What parts can replace 11/2 009M2S?
There is 1 known substitute for 11/2 009M2S: 009M2S. Substitute compatibility should be verified for your specific system.
What is the NSN for 11/2 009M2S?
11/2 009M2S is cataloged in the U.S. Government catalog under NSN 4820-01-554-8697. 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.