PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C15303Timer,stop

North American Philips Corp · NSN 6645-00-879-9941 · FSC 6645 · No Item Name Available
Verified by PartsTable
NSN 6645-00-879-9941 — this item is cataloged by the U.S. Government under National Stock Number 6645-00-879-9941. Primary manufacturer part number: C15303.
Features
  • Timer,stop — FSC 6645
  • DC Operated Clutch: INCLUDED
  • Dial Minimum Graduation: 1/100 SEC
  • Dial Background Color: BLACK
  • Hand Color: WHITE
  • Reset Type: ELECTRIC
  • Hand Designation and Quantity: 2 TWO SWEEP HANDS
  • Inscription Color: WHITE
Applications
  • Applications requiring Aluminum or Steel Case construction
General Description

The Timer,stop, cataloged under National Stock Number 6645-00-879-9941, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is North American Philips Corp. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6645-00-879-9941
Primary Part NumberC15303
Item NameTimer,stop
FSC / FSG6645 / 66 — No Item Name Available
ManufacturerNorth American Philips Corp
StatusACTIVE
DC Operated ClutchINCLUDED
Dial Minimum Graduation1/100 SEC
Dial Background ColorBLACK
Hand ColorWHITE
Reset TypeELECTRIC
Hand Designation and Quantity2 TWO SWEEP HANDS
Inscription ColorWHITE
ColorBLACK
Mounting MethodPANEL
Dial Size2.250 IN. DIA IN
Time Indicator Total Capacity0.60SEC
MaterialALUMINUM OR STEEL CASE
Surface TreatmentPAINT CASE
Voltage in Volts20.0 OR 30.0
Timer TypeELECTRICAL
Operation MethodCHRONOMETRIC MOTOR
Current TypeDC
Fast Hand Speed1 REVOLUTION PER SEC
Operating DC Voltage in Volts20.0 OR 30.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3825-00-705-4626C1530-3 INTERCHANGEABLE
Valve Poppet Check
Parker Hannifin Corporation Div Cylinder Division
Cross-Reference Index
Part NumberManufacturer
C15303 North American Philips Corp (USA)
C15303 Vdo Control Systems Inc (USA)
998834-01 Ge Aviation Systems Llc (USA)
Related Parts
3825-00-705-4626INTERCHANGEABLE
VALVE POPPET CHECK
C1530-3

Frequently Asked Questions

What is NSN 6645-00-879-9941?

NSN 6645-00-879-9941 is a Timer,stop, manufactured by North American Philips Corp, classified under FSC 6645 (No Item Name Available). Status: active.

What are the part numbers for NSN 6645-00-879-9941?

NSN 6645-00-879-9941 has 3 cross-referenced part numbers: C15303 (North American Philips Corp), C15303 (Vdo Control Systems Inc), 998834-01 (Ge Aviation Systems Llc).

What NSN replaces 6645-00-879-9941?

There is 1 known substitute for 6645-00-879-9941: 3825-00-705-4626. Verify interchangeability with system specifications before substitution.

What are the specifications of C15303?

Key specifications for C15303: DC Operated Clutch: INCLUDED; Dial Minimum Graduation: 1/100 SEC; Dial Background Color: BLACK; Hand Color: WHITE. 22 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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