#M77931-021 Hour Meter | Time Measuring Instruments

M77931-021

Time Totalizing Meter

NSN 6645-01-456-9989

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
014569989

Technical Specifications of NSN

Terminal Quantity:
2
Terminal Type:
Solder hook
Mounting Type:
Flange
Current Type:
Dc
Body Length:
Between 0.485 inches and 0.515 inches
Body Width:
Between 0.485 inches and 0.515 inches
Mounting Flange Width:
1.310 inches
Case Material:
Any acceptable
Flange Height:
0.930 inches
Indicator Type:
Drum register
Voltage Rating:
Between 12.0 volts and 28.0 volts
Measurement Unit:
Hours
Unit Type:
Mounted
Hermetic Protection:
Provided
Movement Type:
Electrical
Body Depth:
1.094 inches
Smallest Increment Indicated:
1.00
Mounting Method:
Semiflush
Reset Feature:
Not provided
Maximum Measurement:
9999.00
Marking Color:
White numerals
Background Color:
Black background
Electrical Movement Type:
Synchronous motor
NSN:
6645-01-456-9989
Item Name:
Hour Meter
Cage Code:
81349

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
MIL-M-7793
Cage Code:
81349
RNCC:
4
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:

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Pricing & Availability

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Catalog Drilldown
--- Instruments And Laboratory Equipment
------ Time Measuring Instruments
--------- Time Totalizing Meters
------------ P/N M77931-021

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Last Updated: 05/03/2025