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Time Totalizing Meter

NSN: 6645-01-442-0899 | Model: M3971/1-1-S

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 Properties and Flags
NATO Stock Number
6645-01-442-0899
DEMIL
NO
Terminal Type
Stud
Mounting Type
Flange
Body Diameter
2.210 inches
Current Type
Dc
Case Material
Plastic
Mounting Configuration
Three 0.150 in. Diameter mtg holes equally spaced on 1.265 in radius 120 degrees apart
Voltage Rating
Between 10.0 volts and 40.0 volts
Measurement Unit
Hours
Unit Type
Mounted
Mounting Flange Diameter
2.875 inches
Hermetic Protection
Not provided
Movement Type
Electrical
Body Depth
3.000 inches
Smallest Increment Indicated
0.10
Reset Feature
Not provided
Maximum Measurement
9999.90
Marking Color
White numerals for hours and black numerals for tenths
Background Color
Black background for hours and white background for tenths
Test Data Document
81349-mil-dtl-3971 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Specification Data
81349-mil-dtl-3971/1 government specification

Pricing and Availability

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NSN 6645-01-442-0899 Datasheet

Supply Class (FSC):
Time Measuring Instruments
Cross Reference:
  • M3971/1-1-S
  • MIL-DTL-3971
  • 85325
  • 85325
  • 12329689-1
  • M3971/1-1-S
  • MIL-DTL-3971
  • 85325
  • 85325
  • 12329689-1
Cage Codes:
  • Military Specifications (CAGE 81349)
  • Honeywell International Inc. (CAGE 91929)
  • Hobbs Corp (CAGE 74400)
  • U S Army Tank Automotive Command (CAGE 19207)
Schedule B & Trade:
  • Schedule B: 9106903000 (NAICS 334519)

    Other time of the day apparatus for measuring, recording or otherwise indicating intervals of time, nesoi

  • SITC: 88594

    Time of day recording apparatus and apparatus for measuring, recording, etc. Intervals of time with a clock or watch movement or synchronous motor

  • End Use: 21190

    Photo, service industry machinery

Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

ESD

A - No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.

ADPE

- Represents items with no adp components

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    136760 - Meters elec watt-hour used

  • WCC:

    657 - Instruments, electric meter

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • LTL:

    Q - 70.0

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    V
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    E2200x-
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $2,153.30 to $3,588.84..
Does NSN 6645-01-442-0899 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Australia, and Canada
What is the NIIN of NSN 6645-01-442-0899?
014420899 or 01-442-0899
Does NSN 6645-01-442-0899 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 6645-01-442-0899?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Mar 04, 1997