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U9491-4 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_length: 0.138 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN, rating_method: ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING, turn_quantity: 11 SINGLE COMPONENT SINGLE WINDING, coil_form_type: SOLID SINGLE COMPONENT, inclosure_type: OPEN, quality_factor: 124 MINIMUM 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 5950-01-068-0374, 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
U9491-4
NSN: 5950-01-068-0374
FSC: 5950
CAGE: 05254 — A M I/ COAST MAGNETICS INC. DBA COAST MAGNETICS (USA)
SPECIFICATIONS
body_length0.138 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
rating_methodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING
turn_quantity11 SINGLE COMPONENT SINGLE WINDING
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeOPEN
quality_factor124 MINIMUM SINGLE COMPONENT SINGLE WINDING
mounting_methodTERMINAL SINGLE GROUP
core_constructionPOWDERED SINGLE COMPONENT
features_providedTINNED WIRE LEADS
inductance_rating0.664 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
body_outside_diameter0.317 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
NSN5950-01-068-0374
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COIL,RADIO FREQUENCY TITLE COMPONENT PN U9491-4 MFR COIL,RADIO FREQUENCY
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 2 WIRE LEAD
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
MOUNTING METHOD: TERMINAL SINGLE GROUP
•
QUALITY FACTOR: 124 MINIMUM SINGLE COMPONENT SINGLE WINDING
•
SPECIFICATION/STANDARD DATA: 87990-755002A7742 MANUFACTURERS SOURCE CONTROL
•
CORE CONSTRUCTION: POWDERED SINGLE COMPONENT
•
BODY LENGTH: 0.138 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
•
INDUCTANCE RATING: 0.664 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY2 WIRE LEAD
RELIABILITY INDICATORNOT ESTABLISHED
MOUNTING METHODTERMINAL SINGLE GROUP
QUALITY FACTOR124 MINIMUM SINGLE COMPONENT SINGLE WINDING
SPECIFICATION/STANDARD DATA87990-755002A7742 MANUFACTURERS SOURCE CONTROL
CORE CONSTRUCTIONPOWDERED SINGLE COMPONENT
BODY LENGTH0.138 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
INDUCTANCE RATING0.664 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
TURN QUANTITY11 SINGLE COMPONENT SINGLE WINDING
INCLOSURE TYPEOPEN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
949-14Interchangeable
interchangeable cross-reference
interchangeable
72007Interchangeable
interchangeable cross-reference
interchangeable
1/8L SPECIALInterchangeable
interchangeable cross-reference
interchangeable
GGG-K-275 TY1CL2Interchangeable
interchangeable cross-reference
interchangeable
8334Interchangeable
interchangeable cross-reference
interchangeable
ID51-128Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is U9491-4?
U9491-4 is a COIL,RADIO FREQUENCY.
What parts can replace U9491-4?
There are 20 known substitutes for U9491-4: 949-14, 72007, 1/8L SPECIAL and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for U9491-4?
U9491-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-068-0374. 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