Time Totalizing Meter NSN 6645-00-925-3857

Item Description

An instrument that automatically measured, and cumulatively registers the total operating or idle time of any circuit, machine or system, to which it is connected. See meter, frequency and time totalizing, electrical.

NSN: 6645-00-925-3857

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Features and Characteristics

Terminal Quantity

Terminal Type

Solder lug or stud

Mounting Type

Panel

Body Diameter

2.625 inches

Current Type

Case Material

Any acceptable

Mounting Configuration

Three 0.150 in. Diameter mtg holes on 1.580 in. Radius spaced 120 degrees apart

Indicator Type

Drum register

Voltage Rating

Between 4.0 volts and 40.0 volts

Measurement Unit

Hours

Unit Type

Mounted

Mounting Flange Diameter

3.500 inches

Hermetic Protection

Not provided

Movement Type

Electrical

Body Depth

3.000 inches

Smallest Increment Indicated

0.10

Mounting Method

Flush

Reset Feature

Not provided

Maximum Measurement

9999.90

Marking Color

White numerals for hours, black numerals for tenths

Background Color

Black background on hr wheels, white background on tenths wheel

Electrical Movement Type

Magnetic

Nondefinitive Specification/std Data

B grade and 1 type

FSC

6645 Time Measuring Instruments

NIIN

009253857

NSN

6645009253857

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

M3971/1-7

Cage Code:

81349

Status:

MSDS:

Part Number:

MIL-M-3971

Cage Code:

81349

Status:

MSDS:

Part Number:

775

Cage Code:

16476

Status:

MSDS:

Part Number:

H600

Cage Code:

16476

Status:

MSDS:

Part Number:

M575-4-40DCNB

Cage Code:

26992

Status:

MSDS:

Part Number:

M5657

Cage Code:

74400

Status:

MSDS:

Part Number:

56042

Cage Code:

16476

Status:

MSDS:

Part Number:

56043

Cage Code:

16476

Status:

MSDS:

Part Number:

M575S4-40DCNB

Cage Code:

26992

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 9106903000
NAICS: 334519
SITC: 88594
Description: Other time of the day apparatus for measuring, recording or otherwise indicating intervals of time, nesoi
End Use (Code 21190):
Photo, service industry machinery

Q & A

Frequently asked questions for NSN 6645-00-925-3857

What are the manufacturers of nsn 6645009253857?

Military Specifications (81349)
Maxima Technologies & Systems Llc (16476)
Hamilton Watch Co Inc (26992)
Hobbs Corp (74400)

Does this nsn 6645009253857 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6645009253857
An instrument that automatically measured, and cumulatively registers the total operating or idle time of any circuit, machine or system, to which it is connected. see meter, frequency and time totalizing, electrical.

Does nsn 6645009253857 contain any precious metals?
No precious metal content.

Does nsn 6645009253857 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 6645009253857?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

08066

FIIG:

T134-R

App. Key:

Cond. Code:

Status:

What do you get when you order from nationalstocknumber.org?

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