PartsTable
Technical Data Sheet
PartsTable / MRO / TC-21
TC-21 ✓ Verified by PartsTable
Brother · 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

For Use With: PT-10, PT-12, PT-12N, PT-15, PT-150, PT-170K, PT-20, PT-25, PT-6, PT-8. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5805-00-222-2105, 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→ TC-21
NSN: 5805-00-222-2105
FSC: 5805
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
Part NumberTC-21
ManufacturerBrother
NSN5805-00-222-2105
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Brother CARRIER SYSTEM,TELEPHONE TITLE COMPONENT PN TC-21 MFR Brother CARRIER SYSTEM,TELEPHO
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURES4 CHAN TELEPHONE CIRCUIT; 2 SPIRAL 4 TRANSMISSION LINE USE;200 HZ TO 12 KHZ CARRIER FREQ RANGE; 1000 HZ RING CIRCUIT; 400 TO 800 MI OPER DIST; ALT OPER PWR RQMT AC 115V,50 TO 60 HZ,1 PH, 230V,50 TO 60 HZ 1 PH,DC 12V;COMPONENTS LIST DOC A TECH MAN TM11-341 PG 142;SIG TELEPHONE TERMINAL SET TYPE TC-21-A AND TC-21-B;GENL PURPOSE USE KHz
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
SE-1-MInterchangeable
interchangeable cross-reference
interchangeable
9E6EWInterchangeable
interchangeable cross-reference
interchangeable
TC-21Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TC-21?
TC-21 is a CARRIER SYSTEM,TELEPHONE manufactured by Brother. It is classified as a MRO (MRO_GENERAL).
What parts can replace TC-21?
There are 3 known substitutes for TC-21: SE-1-M, 9E6EW, TC-21. Substitute compatibility should be verified for your specific system.
What is the NSN for TC-21?
TC-21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5805-00-222-2105. 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