Product Details | DIRECT READING CLOCK

6645-00-527-7258 A clock having a mechanism which measures and indicates the progress of time in direct numeric sequence on a series of rotating drums. For instruments designed to measure the total operating time of a circuit, machine or system, see METER, TIME TOTALIZING.

Part Alternates: MA1, 6645-00-527-7258, 00-527-7258, 6645005277258, 005277258

Instruments and Laboratory Equipment | Time Measuring Instruments

Supply Group (FSG) NSN Assign. NIIN
66 01 JAN 1963 00-527-7258

Demand History | NSN 6645-00-527-7258

Part Number Request Date QTY Origin
MA1 2020-01-06 10 United States
MA1 2016-09-260 1 Taiwan

Cross Reference | NSN 6645-00-527-7258

Part Number Cage Code Manufacturer
MA1 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 6645-00-527-7258

Characteristic Specifications
CASE MATERIAL METAL
CASE SURFACE TREATMENT PAINTED
COLOR GRAY
ILLUMINATED FEATURE NOT INCLUDED
SYNCHRONOUS MOTOR VOLTAGE IN VOLTS 115.0
FREQUENCY IN HERTZ 60.0
SELF-START FEATURE NOT INCLUDED
DRUM BACKGROUND COLOR WHITE
INSCRIPTION COLOR BLACK
CONTINUOUS REVOLUTION SECONDS DRUM NOT INCLUDED
OVERALL HEIGHT 10.000 INCHES NOMINAL
OVERALL WIDTH 10.000 INCHES NOMINAL
SPECIAL FEATURES A SYSTEM OF FOUR LIGHTS ARE PROVIDED,ARRANGED HORIZONTAL AND EQUALLY SPEACED FROM EACH OTHER,SUCH THAT EACH QUARTER IF A MIN SHALL BE POSTIVELY IDENTIFIED LAMP NO. 1 SHALL LIGHT CONTINUOUSLY,LAMP NO. 2 WILL LIGHT FROM THE 16TH TO THE 60TH SEC,LAMP NO. 3 WILL LIGHT FROM THE 31ST TO THE 60TH SEC,LAMP NO. 4 WILL LIGHT FROM THE 46TH TO THE 60TH SEC
NONDEFINITIVE SPEC/STD DATA MA-1 TYPE
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MA1

Restrictions/Controls & Freight Information | NSN 6645-00-527-7258

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.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information