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20511 — COIL,RADIO FREQUENCY

✓ Government record, cited
Legrand · GATE VALVE
PRODUCT OVERVIEW

20511: COIL,RADIO FREQUENCY.

The COIL,RADIO FREQUENCY is a Legrand industrial component. Key specifications include material: STEEL CORROSION RESISTING FILTERING MEDIUM, port_style: GASKET SEAL SINGLE PORT, body_length: 0.312 INCHES NOMINAL IN, design_type: REUSABLE, bore_diameter: 0.993 INCHES MINIMUM AND 0.996 INCHES MAXIMUM IN, end_item_name: LOADER. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-306-1280, 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
20511
NSN: 4820-00-306-1280
NIINs: 003061280, 003954760, 005438413, 005699934, 008101254, 008845519, 008944585, 008976387, 011654942, 011830240, 011924963, 012603313
FSC: 4820 — Valves, Nonpowered
CAGE: 26505 — GROVE VALVE OPERATIONS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING FILTERING MEDIUM
port_styleGASKET SEAL SINGLE PORT
body_length0.312 INCHES NOMINAL IN
design_typeREUSABLE
bore_diameter0.993 INCHES MINIMUM AND 0.996 INCHES MAXIMUM IN
end_item_nameLOADER
rating_methodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING
thread_length0.125 INCHES IN
turn_quantity7 SINGLE COMPONENT SINGLE WINDING
coil_form_typeSOLID SINGLE COMPONENT
flow_directionOUTSIDE IN
inclosure_typeOPEN
NSN4820-00-306-1280
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20511 · Legrand ⚠ 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
•
LARGEST OUTSIDE DIAMETER: 0.316 INCHES NOMINAL IN
•
STEM ACTUATING END TYPE: SLOTTED AND THREADED INTERNALLY
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
LARGEST OUTSIDE DIAMETER0.316 INCHES NOMINAL IN
STEM ACTUATING END TYPESLOTTED AND THREADED INTERNALLY
OVERALL LENGTH1.995 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
0X20511Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 20511?
20511 is a COIL,RADIO FREQUENCY manufactured by Legrand.
What parts can replace 20511?
There is 1 known substitute for 20511: 0X20511. Substitute compatibility should be verified for your specific system.
What is the NSN for 20511?
20511 is cataloged in the U.S. Government catalog under NSN 4820-00-306-1280. This indicates validated use in U.S. government and defense supply chains.
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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.