PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILT11979Teletypewriter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5815-00-503-2769 · FSC 5815 · No Item Name Available
Verified by PartsTable
NSN 5815-00-503-2769 — this item is cataloged by the U.S. Government under National Stock Number 5815-00-503-2769. Primary manufacturer part number: MILT11979.
Features
  • Teletypewriter — FSC 5815
  • Electrical Power Source Relationship: OPERATING
  • Unit Interval Quantity: 5.00
  • Keyboard Language: ENGLISH
  • Character Quantity Per Line: 72
  • Keyboard Type: STANDARD COMMUNICATIONS
  • Nondefinitive Spec/std Data: NO. TT-179/FG TYPE
  • Frequency Rating: 60.0 HERTZ NOMINAL LOCATION NOT OTHERWISE SPECIFIED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Teletypewriter, cataloged under National Stock Number 5815-00-503-2769, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 12 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5815-00-503-2769
Primary Part NumberMILT11979
Item NameTeletypewriter
FSC / FSG5815 / 58 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Electrical Power Source RelationshipOPERATING
Unit Interval Quantity5.00
Keyboard LanguageENGLISH
Character Quantity Per Line72
Keyboard TypeSTANDARD COMMUNICATIONS
Nondefinitive Spec/std DataNO. TT-179/FG TYPE
Frequency Rating60.0 HERTZ NOMINAL LOCATION NOT OTHERWISE SPECIFIED
Installation DesignFIXED STATION
PhaseSINGLE LOCATION NOT OTHERWISE SPECIFIED
Motor TypeSYNCHRONOUS
Tape Feed TypeFRICTION
AC Voltage Rating115.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5815-00-503-3316 INTERCHANGEABLE
Teletypewriter Set
5815-00-519-5644 INTERCHANGEABLE
Teletypewriter Set
5815-00-539-7773 INTERCHANGEABLE
Teletypewriter
5815-00-543-1327 INTERCHANGEABLE
Teletypewriter
5815-00-682-2709 INTERCHANGEABLE
Teletypewriter
5815-00-688-8919 INTERCHANGEABLE
Teletypewriter Set
Cross-Reference Index
Part NumberManufacturer
MILT11979 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
TT179FG Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
TT179FG Joint Electronics Type Designation System (USA)
59850 Kleinschmidt Inc (USA)
Related Parts
5815-00-503-3316INTERCHANGEABLE
TELETYPEWRITER SET
5815-00-519-5644INTERCHANGEABLE
TELETYPEWRITER SET
5815-00-539-7773INTERCHANGEABLE
TELETYPEWRITER
5815-00-543-1327INTERCHANGEABLE
TELETYPEWRITER
5815-00-682-2709INTERCHANGEABLE
TELETYPEWRITER
5815-00-688-8919INTERCHANGEABLE
TELETYPEWRITER SET

Frequently Asked Questions

What is NSN 5815-00-503-2769?

NSN 5815-00-503-2769 is a Teletypewriter, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5815 (No Item Name Available). Status: active.

What are the part numbers for NSN 5815-00-503-2769?

NSN 5815-00-503-2769 has 4 cross-referenced part numbers: MILT11979 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), TT179FG (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), TT179FG (Joint Electronics Type Designation System), 59850 (Kleinschmidt Inc).

What NSN replaces 5815-00-503-2769?

There are 6 known substitutes for 5815-00-503-2769: 5815-00-503-3316, 5815-00-519-5644, 5815-00-539-7773 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILT11979?

Key specifications for MILT11979: Overall Length: 24.000 INCHES NOMINAL IN; Electrical Power Source Relationship: OPERATING; Unit Interval Quantity: 5.00; Keyboard Language: ENGLISH. 15 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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