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Technical Data Sheet
PartsTable / COMPONENT / 935-19
935-19 ✓ Verified by PartsTable
Bestway · 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

DIAPHRAGM,ACTUATOR VALVE,SPECIAL. Key specifications include material: RUBBER SYNTHETIC, body_height: 0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, bead_diameter: 3.000 INCHES NOMINAL IN, outside_diameter: 4.000 INCHES NOMINAL IN, style_designator: SPECIAL SHAPED, inclosure_material: GLASS AND METAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-136-2077, 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
935-19
NSN: 4820-00-136-2077
FSC: 4820
CAGE: 24821 — ROSEMOUNT ANALYTICAL, INC. DIV PROCESS ANALYTICAL DIVISION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
body_height0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
bead_diameter3.000 INCHES NOMINAL IN
outside_diameter4.000 INCHES NOMINAL IN
style_designatorSPECIAL SHAPED
features_providedMONOLITHIC AND HERMETICALLY SEALED AND HIGH GAIN AND WIRE-OR OUTPUTS AND LOW POWER AND NEGATIVE OUTPUTS AND POSITIVE OUTPUTS
inclosure_materialGLASS AND METAL
material_thickness0.155 INCHES NOMINAL IN
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
center_hole_diameter0.750 INCHES NOMINAL IN
operating_temp_range+0.0 TO 70.0 CELSIUS DEGC
body_outside_diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
NSN4820-00-136-2077
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 935-19 · Bestway ⚠ 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
•
MATERIAL: RUBBER SYNTHETIC
•
MATERIAL THICKNESS: 0.155 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SPECIAL SHAPED
•
OUTSIDE DIAMETER: 4.000 INCHES NOMINAL IN
•
BEAD DIAMETER: 3.000 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC
MATERIAL THICKNESS0.155 INCHES NOMINAL IN
STYLE DESIGNATORSPECIAL SHAPED
OUTSIDE DIAMETER4.000 INCHES NOMINAL IN
BEAD DIAMETER3.000 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
93513Interchangeable
interchangeable cross-reference
interchangeable
DMS 82110BInterchangeable
interchangeable cross-reference
interchangeable
TS-3500Interchangeable
interchangeable cross-reference
interchangeable
93519Interchangeable
interchangeable cross-reference
interchangeable
2082-4057-03Interchangeable
interchangeable cross-reference
interchangeable
360960-18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 935-19?
935-19 is a DIAPHRAGM,ACTUATOR VALVE,SPECIAL manufactured by Bestway.
What parts can replace 935-19?
There are 19 known substitutes for 935-19: 93513, DMS 82110B, TS-3500 and 16 more. Substitute compatibility should be verified for your specific system.
Is 935-19 still available?
935-19 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