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Technical Data Sheet
PartsTable / COMPONENT / 119 1/2
119 1/2 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The 119 1/2 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-291-1375, 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
119 1/2
NSN: 4820-01-291-1375
FSC: 4820
CAGE: 28193 — HENRY TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
Part Number119 1/2
NSN4820-01-291-1375
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 119 1/2 · 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
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
DISK LOADING METHOD: SPRING
•
VALVE OPERATION METHOD: AUTOMATIC
•
FLOW CONTROL DEVICE: DISK
•
THREAD SERIES DESIGNATOR: UNF ALL ENDS
•
OPERATING PRESSURE: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSTRAIGHT THRU
MOUNTING POSITIONHORIZONTAL OR VERTICAL
DISK LOADING METHODSPRING
VALVE OPERATION METHODAUTOMATIC
FLOW CONTROL DEVICEDISK
THREAD SERIES DESIGNATORUNF ALL ENDS
OPERATING PRESSURE500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
SEAT ANGLE37.0 DEGREES ALL ENDS
MATERIALCOPPER ALLOY BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
11912Interchangeable
interchangeable cross-reference
interchangeable
9530N19Interchangeable
interchangeable cross-reference
interchangeable
AR-11912Interchangeable
interchangeable cross-reference
interchangeable
11909Interchangeable
interchangeable cross-reference
interchangeable
MILD26847Interchangeable
interchangeable cross-reference
interchangeable
11907Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 119 1/2?
119 1/2 is a 119 1/2.
What parts can replace 119 1/2?
There are 12 known substitutes for 119 1/2: 11912, 9530N19, AR-11912 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 119 1/2?
119 1/2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-291-1375. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026