PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TT178FGTeletypewriter

Joint Electronics Type Designation System · NSN 5815-00-543-1327 · FSC 5815 · No Item Name Available
Verified by PartsTable
NSN 5815-00-543-1327 — this item is cataloged by the U.S. Government under National Stock Number 5815-00-543-1327. Primary manufacturer part number: TT178FG.
Features
  • Teletypewriter — FSC 5815
  • Nondefinitive Spec/std Data: TT-178/FG TYPE
  • Electrical Power Source Relationship: OPERATING
  • Keyboard Type: STANDARD COMMUNICATIONS
  • Motor Type: SERIES-GOVERNED
  • Keyboard Language: ENGLISH
  • Frequency Rating: 50.0 HERTZ MINIMUM FIRST ALTERNATE OPERATING POWER RQMT
  • Unit Interval Quantity: 5.000
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Teletypewriter, cataloged under National Stock Number 5815-00-543-1327, is classified within Federal Supply Class 5815 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Joint Electronics Type Designation System. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5815-00-543-1327
Primary Part NumberTT178FG
Item NameTeletypewriter
FSC / FSG5815 / 58 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusACTIVE
Nondefinitive Spec/std DataTT-178/FG TYPE
Electrical Power Source RelationshipOPERATING
Keyboard TypeSTANDARD COMMUNICATIONS
Motor TypeSERIES-GOVERNED
Keyboard LanguageENGLISH
Frequency Rating50.0 HERTZ MINIMUM FIRST ALTERNATE OPERATING POWER RQMT
Unit Interval Quantity5.000
PhaseSINGLE LOCATION NOT OTHERWISE SPECIFIED
Frequency Rating60.0 HERTZ MAXIMUM SECOND ALTERNATE OPERATING POWER RQMT
Installation DesignFIXED STATION
Tape Feed TypeSPROCKET
AC Voltage Rating115.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
Character Quantity Per Line72
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5815-00-503-2769 INTERCHANGEABLE
Teletypewriter
5815-00-503-3316 INTERCHANGEABLE
Teletypewriter Set
5815-00-519-5644 INTERCHANGEABLE
Teletypewriter Set
5815-00-539-7773 INTERCHANGEABLE
Teletypewriter
5815-00-682-2709 INTERCHANGEABLE
Teletypewriter
5815-00-688-8919 INTERCHANGEABLE
Teletypewriter Set
5340-01-152-6723698 INTERCHANGEABLE
Bumper
Atlantic India Rubber Co Inc
8040-01-574-346859875 INTERCHANGEABLE
Adhesive
Loctite Corp
Cross-Reference Index
Part NumberManufacturer
TT178FG Joint Electronics Type Designation System (USA)
59875 Kleinschmidt Inc (USA)
MILT11979 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
TT178FG Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5815-00-503-2769INTERCHANGEABLE
TELETYPEWRITER
5815-00-503-3316INTERCHANGEABLE
TELETYPEWRITER SET
5815-00-519-5644INTERCHANGEABLE
TELETYPEWRITER SET
5815-00-539-7773INTERCHANGEABLE
TELETYPEWRITER
5815-00-682-2709INTERCHANGEABLE
TELETYPEWRITER
5815-00-688-8919INTERCHANGEABLE
TELETYPEWRITER SET
5340-01-152-6723INTERCHANGEABLE
BUMPER
698
8040-01-574-3468INTERCHANGEABLE
ADHESIVE
59875

Frequently Asked Questions

What is NSN 5815-00-543-1327?

NSN 5815-00-543-1327 is a Teletypewriter, manufactured by Joint Electronics Type Designation System, classified under FSC 5815 (No Item Name Available). Status: active.

What are the part numbers for NSN 5815-00-543-1327?

NSN 5815-00-543-1327 has 4 cross-referenced part numbers: TT178FG (Joint Electronics Type Designation System), 59875 (Kleinschmidt Inc), MILT11979 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), TT178FG (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5815-00-543-1327?

There are 8 known substitutes for 5815-00-543-1327: 5815-00-503-2769, 5815-00-503-3316, 5815-00-519-5644 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TT178FG?

Key specifications for TT178FG: Overall Width: 18.000 INCHES NOMINAL IN; Nondefinitive Spec/std Data: TT-178/FG TYPE; Electrical Power Source Relationship: OPERATING; Keyboard Type: STANDARD COMMUNICATIONS. 16 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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