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Technical Data Sheet
PartsTable / MRO / 540042
540042 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 CIRCULATOR,RADIO FR is a the manufacturer industrial component. Key specifications include body_length: 0.450 INCHES MAXIMUM IN, coil_form_type: SOLID SINGLE COMPONENT, inclosure_type: HERMETICALLY SEALED, quality_factor: 67 MINIMUM SINGLE COMPONENT SINGLE WINDING, mounting_method: TERMINAL SINGLE GROUP, core_construction: S0LID SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5865-00-288-1247, 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
MRO→ MRO_GENERAL→ 540042
NSN: 5865-00-288-1247
FSC: 5865
CAGE: 14135 — E AND M LABORATORIES DIV OF TRAK MICROWAVE CORP (USA)
SPECIFICATIONS
body_length0.450 INCHES MAXIMUM IN
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeHERMETICALLY SEALED
quality_factor67 MINIMUM SINGLE COMPONENT SINGLE WINDING
mounting_methodTERMINAL SINGLE GROUP
core_constructionS0LID SINGLE COMPONENT
inductance_rating820.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
body_outside_diameter0.174 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp125.0 CELSIUS DEGC
winding_conductor_size0.02535 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
end_item_identificationPCCN CUCV SWINGFIRE
NSN5865-00-288-1247
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCULATOR,RADIO FR TITLE COMPONENT PN 540042 MFR CIRCULATOR,RADIO FR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
540-042Interchangeable
interchangeable cross-reference
interchangeable
38245Interchangeable
interchangeable cross-reference
interchangeable
17-098BInterchangeable
interchangeable cross-reference
interchangeable
36390 PIECE 6Interchangeable
interchangeable cross-reference
interchangeable
2901-0000-054Interchangeable
interchangeable cross-reference
interchangeable
6850Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 540042?
540042 is a CIRCULATOR,RADIO FR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 540042?
There are 6 known substitutes for 540042: 540-042, 38245, 17-098B and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 540042?
540042 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5865-00-288-1247. 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