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Technical Data Sheet
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11.0120.509 — 11.0120.509

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

11.0120.509: 11.0120.509.

The 11.0120.509 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-455-8302, 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
11.0120.509
NSN: 4820-01-455-8302
FSC: 4820 — Valves, Nonpowered
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
Part Number11.0120.509
NSN4820-01-455-8302
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 11.0120.509 · 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
•
FLOW CONTROL DEVICE: DISK
•
STYLE DESIGNATOR: ANGLE
•
OPENING PRESSURE SETTING: 140.0 POUNDS PER SQUARE INCH LBS
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
STYLE DESIGNATORANGLE
SPECIAL FEATURESPRESSURE RANGE 131 PSI TO 156 PSI
END ITEM IDENTIFICATIONUSNS HENRY J. KAISER CLASS TAO
OPENING PRESSURE SETTING140.0 POUNDS PER SQUARE INCH LBS
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 1
11-0120 REV BReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 11.0120.509?
11.0120.509 is a 11.0120.509.
What parts can replace 11.0120.509?
There is 1 known substitute for 11.0120.509: 11-0120 REV B. Substitute compatibility should be verified for your specific system.
What is the NSN for 11.0120.509?
11.0120.509 is cataloged in the U.S. Government catalog under NSN 4820-01-455-8302. This indicates validated use in U.S. government and defense supply chains.
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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.