Product Details | CHRONOMETER

6645-01-504-2301 An instrument for precisely determining time, manufactured to close tolerances to assure the time-keeping qualities of dependability and consistency of rate. These qualities are accurately ascertained by comparison with more exact devices or by astronomical methods so that the accumulated error may be taken into account when determining time. Its usual uses are to indicate time for navigational purposes, and to serve as a reference for less accurate timepieces. It is usually provided with a winding indicator dial and is usually mounted in gimbals to maintain the instrument in a level position. May consist of a spring driven or other type of movement which is capable of exacting performance without regulation throughout the normal range of room temperatures. Not designed for carrying on the person.

Part Alternates: M8775, M877-5, 6645-01-504-2301, 01-504-2301, 6645015042301, 015042301

Instruments and Laboratory Equipment | Time Measuring Instruments

Supply Group (FSG) NSN Assign. NIIN
66 22 JAN 2003 01-504-2301

Cross Reference | NSN 6645-01-504-2301

Part Number Cage Code Manufacturer
M877-5 63131 DAVTRON DBA DAVTRON INC.

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Technical Data | NSN 6645-01-504-2301

Characteristic Specifications
HAND QUANTITY 0
LUMINOUS HAND NOT INCLUDED
CASE MATERIAL ANY ACCEPTABLE
CARRYING CASE NOT PROVIDED
TIME TYPE MEAN SOLAR
OVERALL LENGTH 2.375 INCHES NOMINAL
OVERALL DEPTH 2.910 INCHES NOMINAL
OVERALL HEIGHT 1.875 INCHES NOMINAL
MOUNTING METHOD GIMBAL CASE
MOUNTING CASE NOT INCLUDED
SPECIAL FEATURES SUNLIGHT READABLE INCANDESCENT DISPLAY; ILLUMINATED BUTTONS AND ANNUNCIATORS; FLIGHT TIME RECORDED IN HOURS AND MINUTES OR IN HOURS, TENTHS AND HUNDREDTHS; SERIAL TIME DATA OUTPUT FOR REMOTE USE; FLIGHT TIME ALARM; ELAPSED TIME COUNT DOWN TIMER WITH ALARM

Restrictions/Controls & Freight Information | NSN 6645-01-504-2301

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information