PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TC21BCarrier System,telephone

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5805-00-222-2105 · FSC 5805 · No Item Name Available
Verified by PartsTable
NSN 5805-00-222-2105 — this item is cataloged by the U.S. Government under National Stock Number 5805-00-222-2105. Primary manufacturer part number: TC21B.
Features
  • Carrier System,telephone — FSC 5805
  • 3 verified cross-references
  • Primary manufacturer: Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Carrier System,telephone, cataloged under National Stock Number 5805-00-222-2105, is classified within Federal Supply Class 5805 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5805-00-222-2105
Primary Part NumberTC21B
Item NameCarrier System,telephone
FSC / FSG5805 / 58 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3455-00-295-8485 INTERCHANGEABLE
File,rotary
7510-01-394-1304TC-21 INTERCHANGEABLE
Tape,embossing
Brother International Corp Dba Brother International Corp Div Federal Sales
Cross-Reference Index
Part NumberManufacturer
TC21B PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
TC21 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
TC21A PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
3455-00-295-8485INTERCHANGEABLE
FILE,ROTARY
7510-01-394-1304INTERCHANGEABLE
TAPE,EMBOSSING
TC-21

Frequently Asked Questions

What is NSN 5805-00-222-2105?

NSN 5805-00-222-2105 is a Carrier System,telephone, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5805 (No Item Name Available). Status: active.

What are the part numbers for NSN 5805-00-222-2105?

NSN 5805-00-222-2105 has 3 cross-referenced part numbers: TC21B (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), TC21 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), TC21A (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5805-00-222-2105?

There are 2 known substitutes for 5805-00-222-2105: 3455-00-295-8485, 7510-01-394-1304. Verify interchangeability with system specifications before substitution.

What are the specifications of TC21B?

Key specifications for TC21B: Special Features: 4 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. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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