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RF581 — COIL,RADIO FREQUENCY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

RF581: COIL,RADIO FREQUENCY.

The COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_length: 1.500 INCHES NOMINAL IN, rating_method: WINDING TURNS AND ELECTRICAL SINGLE COMPONENT SINGLE WINDING, turn_quantity: 90 SINGLE COMPONENT SINGLE WINDING, coil_form_type: HOLLOW SINGLE COMPONENT, inclosure_type: FULLY INCLOSED, mounting_method: UNTHREADED HOLE(S) SINGLE GROUP. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-253-7330, 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
RF581
NSN: 5950-00-253-7330
FSC: 5950 — Coils and Transformers
CAGE: 37942 — YOSEMITE INVESTMENT INC DBA NORTH AMERICAN CAPACITOR CO (USA)
SPECIFICATIONS
body_length1.500 INCHES NOMINAL IN
rating_methodWINDING TURNS AND ELECTRICAL SINGLE COMPONENT SINGLE WINDING
turn_quantity90 SINGLE COMPONENT SINGLE WINDING
coil_form_typeHOLLOW SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
inductance_rating25.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
body_outside_diameter1.000 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.188 INCHES NOMINAL SINGLE GROUP IN
winding_conductor_size0.05082 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
mounting_facility_quantity1 SINGLE GROUP
NSN5950-00-253-7330
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COIL,RADIO FREQUENCY TITLE COMPONENT PN RF581 MFR COIL,RADIO FREQUENCY
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 1 SINGLE GROUP
•
INCLOSURE TYPE: FULLY INCLOSED
•
BODY OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
TURN QUANTITY: 90 SINGLE COMPONENT SINGLE WINDING
•
MOUNTING METHOD: UNTHREADED HOLE(S) SINGLE GROUP
•
INDUCTANCE RATING: 25.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
•
WINDING CONDUCTOR SIZE: 0.05082 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
•
MOUNTING HOLE DIAMETER: 0.188 INCHES NOMINAL SINGLE GROUP IN
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY QUANTITY1 SINGLE GROUP
INCLOSURE TYPEFULLY INCLOSED
BODY OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
TURN QUANTITY90 SINGLE COMPONENT SINGLE WINDING
MOUNTING METHODUNTHREADED HOLE(S) SINGLE GROUP
INDUCTANCE RATING25.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
WINDING CONDUCTOR SIZE0.05082 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
MOUNTING HOLE DIAMETER0.188 INCHES NOMINAL SINGLE GROUP IN
COIL FORM TYPEHOLLOW SINGLE COMPONENT
BODY LENGTH1.500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 6
314A14Reference document
Same NSN cross-reference
Reference document — Secondary reference
48-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
9140-0005Reference document
Same NSN cross-reference
Reference document — Secondary reference
1805Reference document
Same NSN cross-reference
Reference document — Secondary reference
2306773Reference document
Same NSN cross-reference
Reference document — Secondary reference
4-8780-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RF581?
RF581 is a COIL,RADIO FREQUENCY.
What parts can replace RF581?
There are 6 known substitutes for RF581: 314A14, 48-6, 9140-0005 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RF581?
RF581 is cataloged in the U.S. Government catalog under NSN 5950-00-253-7330. 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.