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Technical Data Sheet
PartsTable / MRO / RT661A
RT661A ✓ 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 RECEIVER-TRANSMITTER SET,RADIO is a the manufacturer industrial component. Key specifications include document_type: TECHNICAL MANUAL, document_source: 30917, special_features: FUNCTION, XCV, MOBILE, end_item_identification: PRT551, component_document_origin: INDUSTRIAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5820-01-066-0991, 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→ RT661A
NSN: 5820-01-066-0991
FSC: 5820
CAGE: 60621 — AIRE-SCIENCES INC (USA)
SPECIFICATIONS
document_typeTECHNICAL MANUAL
document_source30917
special_featuresFUNCTION, XCV, MOBILE
component_quantity3
end_item_identificationPRT551
component_document_originINDUSTRIAL
NSN5820-01-066-0991
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RECEIVER-TRANSMITTER SET,RADIO TITLE COMPONENT PN RT661A MFR RECEIVER-TRANSMITTER S
KEY FEATURES
•
DOCUMENT SOURCE: 30917
•
COMPONENT DOCUMENT ORIGIN: INDUSTRIAL
•
COMPONENT QUANTITY: 3
•
DOCUMENT TYPE: TECHNICAL MANUAL
TECHNICAL CHARACTERISTICS (FLIS)
DOCUMENT SOURCE30917
COMPONENT DOCUMENT ORIGININDUSTRIAL
COMPONENT QUANTITY3
DOCUMENT TYPETECHNICAL MANUAL
END ITEM IDENTIFICATIONPRT551
SPECIAL FEATURESFUNCTION, XCV, MOBILE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
12130Interchangeable
interchangeable cross-reference
interchangeable
7451059Interchangeable
interchangeable cross-reference
interchangeable
241628R91Interchangeable
interchangeable cross-reference
interchangeable
10177107Interchangeable
interchangeable cross-reference
interchangeable
000360305-02233Interchangeable
interchangeable cross-reference
interchangeable
590-291Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RT661A?
RT661A is a RECEIVER-TRANSMITTER SET,RADIO. It is classified as a MRO (MRO_GENERAL).
What parts can replace RT661A?
There are 27 known substitutes for RT661A: 12130, 7451059, 241628R91 and 24 more. Substitute compatibility should be verified for your specific system.
Is RT661A still available?
RT661A is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026