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9050-4 ✓ Verified by PartsTable
Trefl · 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 BEARING,BALL,ANNULAR is a Trefl industrial component. Key specifications include material: WOOL OVERALL, thickness: 0.094 INCHES NOMINAL IN, hole_diameter: 0.375 INCHES NOMINAL IN, overall_diameter: 0.562 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-019-9612, 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
9050-4
NSN: 4820-00-019-9612
FSC: 4820
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialWOOL OVERALL
thickness0.094 INCHES NOMINAL IN
hole_diameter0.375 INCHES NOMINAL IN
overall_diameter0.562 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN4820-00-019-9612
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 9050-4 · Trefl ⚠ 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
•
THREAD DIRECTION: RIGHT-HAND SECOND END
•
DISK LOADING METHOD: SPRING
•
OPERATING PRESSURE: 430.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MEDIA FOR WHICH DESIGNED: OXYGEN, GASEOUS SINGLE RESPONSE
•
MATERIAL: ALUMINUM ALLOY BODY
•
STYLE DESIGNATOR: ANGLE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONACFT,TYPE B-52
THREAD DIRECTIONRIGHT-HAND SECOND END
DISK LOADING METHODSPRING
OPERATING PRESSURE430.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MEDIA FOR WHICH DESIGNEDOXYGEN, GASEOUS SINGLE RESPONSE
MATERIALALUMINUM ALLOY BODY
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND FIRST END
VALVE OPERATION METHODAUTOMATIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
10525-1Interchangeable
interchangeable cross-reference
interchangeable
21247Interchangeable
interchangeable cross-reference
interchangeable
8148650Interchangeable
interchangeable cross-reference
interchangeable
3208XIAInterchangeable
interchangeable cross-reference
interchangeable
903208Interchangeable
interchangeable cross-reference
interchangeable
30D86Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9050-4?
9050-4 is a BEARING,BALL,ANNULAR manufactured by Trefl.
What parts can replace 9050-4?
There are 22 known substitutes for 9050-4: 10525-1, 21247, 8148650 and 19 more. Substitute compatibility should be verified for your specific system.
Is 9050-4 still available?
9050-4 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