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PartsTable / COMPONENT / 509-0012
509-0012 ✓ 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 VALVE,BALL is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.375 INCHES NOMINAL IN, housing_bore_diameter: 1.562 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 1.062 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-426-0717, 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
509-0012
NSN: 4820-00-426-0717
FSC: 4820
CAGE: 03670 — TYCO FIRE PRODUCTS LP (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.375 INCHES NOMINAL IN
housing_bore_diameter1.562 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.062 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3000 FEET PER MINUTE FT
NSN4820-00-426-0717
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 509-0012 · 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
•
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SINGLE RESPONSE
•
MATERIAL: COPPER ALLOY OVERALL
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
VALVE OPERATION METHOD: MANUAL
•
BONNET TYPE: PACKING RETAINING
•
MAXIMUM OPERATING TEMP: 149.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
RENEWABLE SEAT RING TYPE: PRESSED-IN
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MATERIALCOPPER ALLOY OVERALL
THREAD DIRECTIONRIGHT-HAND ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
VALVE OPERATION METHODMANUAL
BONNET TYPEPACKING RETAINING
MAXIMUM OPERATING TEMP149.0 FAHRENHEIT SINGLE RESPONSE DEGF
RENEWABLE SEAT RING TYPEPRESSED-IN
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
509-12Interchangeable
interchangeable cross-reference
interchangeable
50188SInterchangeable
interchangeable cross-reference
interchangeable
59B12Interchangeable
interchangeable cross-reference
interchangeable
54-50745Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 509-0012?
509-0012 is a VALVE,BALL.
What parts can replace 509-0012?
There are 4 known substitutes for 509-0012: 509-12, 50188S, 59B12 and 1 more. Substitute compatibility should be verified for your specific system.
Is 509-0012 still available?
509-0012 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026