PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILD14074Distributor-Transmitter,teletype

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5815-00-557-6257 · FSC 5815 · No Item Name Available
Verified by PartsTable
NSN 5815-00-557-6257 — this item is cataloged by the U.S. Government under National Stock Number 5815-00-557-6257. Primary manufacturer part number: MILD14074.
Features
  • Distributor-Transmitter,teletype — FSC 5815
  • Transmitting Speed: 60.0 AND 100.0 WORDS PER MIN
  • Functional Description: TRANSMITS TELETYPE MESSAGES FROM PERFORATED TAPE
  • Motor Type: SYNCHRONOUS
  • Joint Electronics Type Designation System Item Name: DISTRIBUTOR-TRANSMITTER,TELETYPEWRITER,JCENS
  • Channel Quantity: 1
  • Nondefinitive Spec/std Data: TT-122A/FG TYPE A
  • Joint Electronics Type Designation System Item Type Number: TYPE NO. TT-122A/FG A
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Distributor-Transmitter,teletype, cataloged under National Stock Number 5815-00-557-6257, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5815-00-557-6257
Primary Part NumberMILD14074
Item NameDistributor-Transmitter,teletype
FSC / FSG5815 / 58 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Transmitting Speed60.0 AND 100.0 WORDS PER MIN
Functional DescriptionTRANSMITS TELETYPE MESSAGES FROM PERFORATED TAPE
Motor TypeSYNCHRONOUS
Joint Electronics Type Designation System Item NameDISTRIBUTOR-TRANSMITTER,TELETYPEWRITER,JCENS
Channel Quantity1
Nondefinitive Spec/std DataTT-122A/FG TYPE A
Joint Electronics Type Designation System Item Type NumberTYPE NO. TT-122A/FG A
AC Voltage Rating115.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT
Recording Tape TypeCHAD
Departure From Cited Designator4PNE
Unit Interval Quantity7.42 AND 1.00
Tape Width0.688 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
PhaseSINGLE FIRST OPERATING POWER RQMT
Relationship to Similar Equipment1-WAY INTERCHANGEABLE W/TT-122/FG
Frequency Rating60.0 HERTZ NOMINAL FIRST OPERATING POWER RQMT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5325-00-067-9191RS96 INTERCHANGEABLE
Ring,retaining
Spirolox Inc
5815-00-557-6256TT123AFG INTERCHANGEABLE
Distributor-Transmitter,teletype
Joint Electronics Type Designation System
6220-01-374-387490203 INTERCHANGEABLE
Lens,light
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
4235-01-462-7635 INTERCHANGEABLE
Sorbent,oil
6515-01-524-295290203 INTERCHANGEABLE
Hose,warming Unit
3m Company
Cross-Reference Index
Part NumberManufacturer
MILD14074 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
90424A-19.00 Kleinschmidt Inc (USA)
TT122AFG Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
TT-122A/FG Joint Electronics Type Designation System (USA)
90203 Kleinschmidt Inc (USA)
Related Parts
5325-00-067-9191INTERCHANGEABLE
RING,RETAINING
RS96
5815-00-557-6256INTERCHANGEABLE
DISTRIBUTOR-TRANSMITTER,TELETYPE
TT123AFG
6220-01-374-3874INTERCHANGEABLE
LENS,LIGHT
90203
4235-01-462-7635INTERCHANGEABLE
SORBENT,OIL
6515-01-524-2952INTERCHANGEABLE
HOSE,WARMING UNIT
90203

Frequently Asked Questions

What is NSN 5815-00-557-6257?

NSN 5815-00-557-6257 is a Distributor-Transmitter,teletype, 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 5815-00-557-6257?

NSN 5815-00-557-6257 has 5 cross-referenced part numbers: MILD14074 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 90424A-19.00 (Kleinschmidt Inc), TT122AFG (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), TT-122A/FG (Joint Electronics Type Designation System), 90203 (Kleinschmidt Inc).

What NSN replaces 5815-00-557-6257?

There are 5 known substitutes for 5815-00-557-6257: 5325-00-067-9191, 5815-00-557-6256, 6220-01-374-3874 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILD14074?

Key specifications for MILD14074: Transmitting Speed: 60.0 AND 100.0 WORDS PER MIN; Functional Description: TRANSMITS TELETYPE MESSAGES FROM PERFORATED TAPE; Motor Type: SYNCHRONOUS; Joint Electronics Type Designation System Item Name: DISTRIBUTOR-TRANSMITTER,TELETYPEWRITER,JCENS. 19 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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