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Technical Data Sheet
PartsTable / COMPONENT / 1509 1/2 IN
1509 1/2 IN ✓ 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 1509 1/2 IN 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 4820-01-611-9205, 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
1509 1/2 IN
NSN: 4820-01-611-9205
FSC: 4820
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
Part Number1509 1/2 IN
NSN4820-01-611-9205
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1509 1/2 IN · 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
•
CONNECTION STYLE: SOCKET WITH BRAZING RING (PIPE) ALL ENDS
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.250 INCHES ALL ENDS IN
•
OPERATING PRESSURE: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
STYLE DESIGNATOR: ANGLE
•
BONNET ATTACHMENT METHOD: BOLTED
•
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SINGLE RESPONSE
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
•
MATERIAL: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLESOCKET WITH BRAZING RING (PIPE) ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES ALL ENDS IN
OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
STYLE DESIGNATORANGLE
BONNET ATTACHMENT METHODBOLTED
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
MATERIALCOPPER ALLOY BODY
VALVE OPERATION METHODMANUAL
MATERIALCOPPER ALLOY 360 FLOW CONTROL DEVICE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
4720PL1387179Interchangeable
interchangeable cross-reference
interchangeable
1509-12Interchangeable
interchangeable cross-reference
interchangeable
4720PL1236183Interchangeable
interchangeable cross-reference
interchangeable
H112Interchangeable
interchangeable cross-reference
interchangeable
42781-12Interchangeable
interchangeable cross-reference
interchangeable
12CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1509 1/2 IN?
1509 1/2 IN is a 1509 1/2 IN.
What parts can replace 1509 1/2 IN?
There are 7 known substitutes for 1509 1/2 IN: 4720PL1387179, 1509-12, 4720PL1236183 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1509 1/2 IN?
1509 1/2 IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-611-9205. 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