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Chronometer NSN 6645-00-163-4568

Item Description

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.

NSN 6645-00-163-4568 NSN: 6645-00-163-4568

Features and Characteristics

Overall Length
8.250 inches
Overall Height
5.000 inches
Overall Width
7.000 inches
Mounting Method
Gimbal case
Case Material
Brass
Case Surface Treatment
Polished
Inscription Color
Black
Dial Outside Diameter
6.000 inches
Carrying Case
Provided
Submersibility
Nonsubmersible
Waterproof Feature
Not included
Face Type
Open
Graduation Unit
1.000 hour
Dial Scale Marking Color
Black
Scale Quantity
1
Scale Range
+0.0 to 12.0 hour
Dial Scale Marking Luminosity
Nonluminous
Movement Type
Continuous running
Escapement Type
Detent
Background Color
Silver
Scale Name
12 hour
Maximum Running Time
48.0 hours
Winding Device Location
Top
Nonmagnetic Characteristic
Included
Bezel Type
Integral bezel and case hinged to mounting plate
Major Graduation Color
Black
Minor Graduation Color
Black
Luminous Numeral
Not included
Separate Totalizer Dial
Not included
Luminous Dial
Not included
Hand Quantity
3
Hand Designation
Greenwich time hour hand and minute hand and second hand
Hand Type
Sweep and sweep and sweep
Hand Color
Black and black and black
Luminous Hand
Not included
Jewel Quantity
21
Movement Size Designation
6
Winding Method
Stem
Shockproof Feature
Not provided
Striking Mechanism
Not included
Civil Date Indicator
Not included
Correct Time Reset Type
Stem
Crystal Type
Glass
Time Type
Mean solar
Mounting Case
Included
FSC
6645 Time Measuring Instruments
NIIN
001634568
NSN
6645001634568

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
ITEM0762
Cage Code:
89227
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 9105990000
  • NAICS: 334519
  • SITC: 88579
  • Description: Other clocks, not electrically operated, except alarm & wall clocks
  • End Use (Code 41050):
    Cell phones and other household goods, n.e.c.

Q & A

Frequently asked questions for NSN 6645-00-163-4568
What are the manufacturers of nsn 6645001634568?
Does this nsn 6645001634568 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6645001634568
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.
Does nsn 6645001634568 contain any precious metals?
Precious metal content is unknown.
Does nsn 6645001634568 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6645001634568?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
18695
FIIG:
T270-B
App. Key:
BD
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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