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Technical Data Sheet
PartsTable / COMPONENT / 2518828
2518828 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include tube_type: TETRODE, body_style: CYLINDRICAL BUSHING MOUNTED, shaft_style: ROUND, actuator_type: SINGLE SHAFT, special_features: MFTR. CLASSIFICATION:BEAM POWER; ENVELOPE MATERIAL:CERAMIC AND METAL, features_provided: MOUNTING HARDWARE.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-438-4990, 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
2518828
NSN: 4820-00-438-4990
FSC: 4820
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
tube_typeTETRODE
body_styleCYLINDRICAL BUSHING MOUNTED
shaft_styleROUND
actuator_typeSINGLE SHAFT
section_quantity1
special_featuresMFTR. CLASSIFICATION:BEAM POWER; ENVELOPE MATERIAL:CERAMIC AND METAL
features_providedMOUNTING HARDWARE
component_quantity7
nonsupply_items_and_quantitiesY-TYPE TUBING APPROX. 90 INCHES LONG 1,ON-OFF SLIDE CLAMPS 3,DISPENSING CAPS 2,AIR FILTER 1 IN
NSN4820-00-438-4990
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2518828 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
4688Interchangeable
interchangeable cross-reference
interchangeable
MAE74DInterchangeable
interchangeable cross-reference
interchangeable
15886Interchangeable
interchangeable cross-reference
interchangeable
4688-01Interchangeable
interchangeable cross-reference
interchangeable
X2009TAInterchangeable
interchangeable cross-reference
interchangeable
3239548Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2518828?
2518828 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace 2518828?
There are 7 known substitutes for 2518828: 4688, MAE74D, 15886 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2518828?
2518828 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-438-4990. 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