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Technical Data Sheet
PartsTable / COMPONENT / 0-521-4
0-521-4 ✓ Verified by PartsTable
King · 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 TRANSFORMER,RADIO FREQUENCY is a King industrial component. Key specifications include width: 3.000 INCHES NOMINAL IN, length: 5.0 FEET NOMINAL FT, part_name_assigned_by_controlling_agency: CELOX RAPID GAUZE 3IN X 5FT Z-FOLDED IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1660-00-032-7486, 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
0-521-4
NSN: 1660-00-032-7486
FSC: 1660
CAGE: 03990 — INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND (USA)
SPECIFICATIONS
width3.000 INCHES NOMINAL IN
length5.0 FEET NOMINAL FT
part_name_assigned_by_controlling_agencyCELOX RAPID GAUZE 3IN X 5FT Z-FOLDED IN
NSN1660-00-032-7486
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: King TRANSFORMER,RADIO FREQUENCY TITLE COMPONENT PN 0-521-4 MFR King TRANSFORMER,RADIO FREQ
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
05-214Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-751 TY3CL3MLBInterchangeable
interchangeable cross-reference
interchangeable
CIRCLE MATE IInterchangeable
interchangeable cross-reference
interchangeable
100-CRMInterchangeable
interchangeable cross-reference
interchangeable
FG08839011Interchangeable
interchangeable cross-reference
interchangeable
30-215Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0-521-4?
0-521-4 is a TRANSFORMER,RADIO FREQUENCY manufactured by King.
What parts can replace 0-521-4?
There are 6 known substitutes for 0-521-4: 05-214, GGG-C-751 TY3CL3MLB, CIRCLE MATE I and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0-521-4?
0-521-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1660-00-032-7486. 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