PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

79-4874Timer,interval

Department of Defense Project Manager-Mobile Electric Power · NSN 6645-00-115-3204 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-115-3204 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-115-3204. Primary manufacturer part number: 79-4874.
Features
  • Timer,interval — FSC 6645
  • Voltage in Volts: 20.0 OR 30.0
  • Mounting Method: PLUG-IN
  • FSC Application Data: SWITCHING UNIT,POWER TRANSFER,PART NO. 07558SPM AND MODEL TD-1,SIGNAL GENERATOR
  • Current Type: DC
  • Control Type: AUTOMATIC
  • Timer Type: ELECTRICAL
  • 6 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Timer,interval, cataloged under National Stock Number 6645-00-115-3204, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Department of Defense Project Manager-Mobile Electric Power. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6645-00-115-3204
Primary Part Number79-4874
Item NameTimer,interval
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerDepartment of Defense Project Manager-Mobile Electric Power
StatusCANCELLED
Voltage in Volts20.0 OR 30.0
Mounting MethodPLUG-IN
FSC Application DataSWITCHING UNIT,POWER TRANSFER,PART NO. 07558SPM AND MODEL TD-1,SIGNAL GENERATOR
Current TypeDC
Control TypeAUTOMATIC
Timer TypeELECTRICAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5961-00-199-6008 INTERCHANGEABLE
Transistor
6240-00-295-11841034 INTERCHANGEABLE
Lamp,incandescent
American National Standards Institute Incorporated Dba American National Standards Institute
2915-00-778-666172031 INTERCHANGEABLE
Flyweight Assembly
Triumph Engine Control Systems Llc
6515-01-497-286950-4591 INTERCHANGEABLE
Blade,retractor,lateral
Specialty Surgical Instrumentation, Inc. Dba Symmetry Surgical Inc Div Symmetry Surgical
Cross-Reference Index
Part NumberManufacturer
63B42309 Sacramento Air Logistics Center Sm-Alc/liil (USA)
79-4874 PRIMARY Department of Defense Project Manager-Mobile Electric Power (USA)
72031 Lake Shore Electric Corporation (USA)
9512900 Lake Shore Electric Corporation (USA)
72031 Controllix Corp (USA)
79-4874 Afcon Products, Inc. (USA)
Related Parts
5961-00-199-6008INTERCHANGEABLE
TRANSISTOR
6240-00-295-1184INTERCHANGEABLE
LAMP,INCANDESCENT
1034
2915-00-778-6661INTERCHANGEABLE
FLYWEIGHT ASSEMBLY
72031
6515-01-497-2869INTERCHANGEABLE
BLADE,RETRACTOR,LATERAL
50-4591

Frequently Asked Questions

What is NSN 6645-00-115-3204?

NSN 6645-00-115-3204 is a Timer,interval, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 6645 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6645-00-115-3204?

NSN 6645-00-115-3204 has 6 cross-referenced part numbers: 63B42309 (Sacramento Air Logistics Center Sm-Alc/liil), 79-4874 (Department of Defense Project Manager-Mobile Electric Power), 72031 (Lake Shore Electric Corporation), 9512900 (Lake Shore Electric Corporation), 72031 (Controllix Corp) and 1 more.

What NSN replaces 6645-00-115-3204?

There are 4 known substitutes for 6645-00-115-3204: 5961-00-199-6008, 6240-00-295-1184, 2915-00-778-6661 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 79-4874?

Key specifications for 79-4874: Overall Width: 4.125 INCHES NOMINAL IN; Voltage in Volts: 20.0 OR 30.0; Mounting Method: PLUG-IN; FSC Application Data: SWITCHING UNIT,POWER TRANSFER,PART NO. 07558SPM AND MODEL TD-1,SIGNAL GENERATOR. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6645-00-115-3204 still in active supply?

NSN 6645-00-115-3204 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com