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2518828 — RESISTOR,VARIABLE,WIRE WOUND,NON

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2518828: RESISTOR,VARIABLE,WIRE WOUND,NON.

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 part is cataloged in the U.S. Government catalog 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 — Valves, Nonpowered
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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2518828?
2518828 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What is the NSN for 2518828?
2518828 is cataloged in the U.S. Government catalog under NSN 4820-00-438-4990. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.