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PartsTable / COMPONENT / 18400 ITEM 18
18400 ITEM 18 ✓ 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

The COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include phase: SINGLE, material: PLASTIC OVERALL, body_length: 0.421 INCHES MAXIMUM IN, overall_gain: 45.0 DECIBELS, overall_width: 19.000 INCHES NOMINAL IN, rating_method: ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-075-7351, 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
18400 ITEM 18
NSN: 4820-01-075-7351
FSC: 4820
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)
SPECIFICATIONS
phaseSINGLE
materialPLASTIC OVERALL
body_length0.421 INCHES MAXIMUM IN
overall_gain45.0 DECIBELS
overall_width19.000 INCHES NOMINAL IN
rating_methodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING
turn_quantity350 SINGLE COMPONENT SINGLE WINDING
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeENCASED
overall_height8.750 INCHES NOMINAL IN
overall_length24.000 INCHES NOMINAL IN
quality_factor3 MINIMUM SINGLE COMPONENT SINGLE WINDING
NSN4820-01-075-7351
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 18400 ITEM 18 · 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 18
9140-0052Interchangeable
interchangeable cross-reference
interchangeable
18-400Interchangeable
interchangeable cross-reference
interchangeable
18-556Interchangeable
interchangeable cross-reference
interchangeable
1456-626Interchangeable
interchangeable cross-reference
interchangeable
18403Interchangeable
interchangeable cross-reference
interchangeable
2047423Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18400 ITEM 18?
18400 ITEM 18 is a COIL,RADIO FREQUENCY.
What parts can replace 18400 ITEM 18?
There are 18 known substitutes for 18400 ITEM 18: 9140-0052, 18-400, 18-556 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18400 ITEM 18?
18400 ITEM 18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-075-7351. 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