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Chronometer NSN 6645-01-285-4284

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 6645-01-285-4284 NSN: 6645-01-285-4284

Features and Characteristics

Overall Length
3.885 inches
Overall Width
2.750 inches
Overall Diameter
3.175 inches
Dial Outside Diameter
3.125 inches
Graduation Unit
1.000 hour
Scale Quantity
3
Scale Range
+0.0/+24.0 hour
Scale Name
24 hour
FSC
6645 Time Measuring Instruments
NIIN
012854284
NSN
6645012854284

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
M880A
Cage Code:
63131
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 6645-01-285-4284
What are the manufacturers of nsn 6645012854284?
Does this nsn 6645012854284 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6645012854284
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 6645012854284 contain any precious metals?
No precious metal content.
Does nsn 6645012854284 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6645012854284?
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
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