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Technical Data Sheet
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18850 ✓ Verified by PartsTable
Jumbo · 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,WASHER,THRUST is a Jumbo industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, grip_type: FINGER RING, overall_length: 90.0 MILLIMETERS NOMINAL MM, special_features: EXTRA SMALL; RATCHET CLOSURE; TERMITE, design_designation: BETHUNE, end_item_identification: 6515-01-587-1837 INSTRUMENT AND IMPLANT SET,MINI-FRAGMENT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1101, 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
18850
NSN: 4820-00-036-1101
FSC: 4820
CAGE: 73475 — SCHNEIDER ELECTRIC SYSTEMS USA INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
grip_typeFINGER RING
overall_length90.0 MILLIMETERS NOMINAL MM
special_featuresEXTRA SMALL; RATCHET CLOSURE; TERMITE
design_designationBETHUNE
end_item_identification6515-01-587-1837 INSTRUMENT AND IMPLANT SET,MINI-FRAGMENT
part_name_assigned_by_controlling_agencyFORCEPS BONE REDUCTION TERMITE 90MM L MM
NSN4820-00-036-1101
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 18850 · Jumbo ⚠ 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
•
SEATING SURFACE SHAPE: FLAT
•
MATERIAL: STEEL OVERALL
•
FLANGE SEAT TO DISK END HEIGHT: 0.352 INCHES NOMINAL IN
•
STYLE DESIGNATOR: THREADED FLANGED
•
UNDER FLANGE HEIGHT: 0.368 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 1.990 INCHES NOMINAL IN
•
FLANGE DIAMETER: 2.755 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEATING SURFACE SHAPEFLAT
MATERIALSTEEL OVERALL
FLANGE SEAT TO DISK END HEIGHT0.352 INCHES NOMINAL IN
STYLE DESIGNATORTHREADED FLANGED
UNDER FLANGE HEIGHT0.368 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.990 INCHES NOMINAL IN
FLANGE DIAMETER2.755 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
M6000-24-BULKInterchangeable
interchangeable cross-reference
interchangeable
E7791Interchangeable
interchangeable cross-reference
interchangeable
R300-1-1-2Interchangeable
interchangeable cross-reference
interchangeable
18850Interchangeable
interchangeable cross-reference
interchangeable
66-1940Interchangeable
interchangeable cross-reference
interchangeable
5867661940Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18850?
18850 is a BEARING,WASHER,THRUST manufactured by Jumbo.
What parts can replace 18850?
There are 12 known substitutes for 18850: M6000-24-BULK, E7791, R300-1-1-2 and 9 more. Substitute compatibility should be verified for your specific system.
Is 18850 still available?
18850 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