#M225-21 Hour Meter-non Resetable | Time Measuring Instruments

M225-21

Time Totalizing Meter

NSN 6645-01-224-8973

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
012248973

Detail Specifications

Terminal Quantity:
1
Terminal Type:
Wire hook
Mounting Type:
Flange
Current Type:
Dc
Body Length:
0.500 inches
Body Width:
0.500 inches
Mounting Flange Width:
1.310 inches
Case Material:
Any acceptable
Flange Height:
0.870 inches
Mounting Configuration:
Two 0.125 in. Diameter mtg holes spaced 1.000 in. Apart c to c; 0.125 in. Mount setback
Indicator Type:
Drum register
Voltage Rating:
28.0 volts
Measurement Unit:
Hours
Unit Type:
Mounted
Hermetic Protection:
Provided
Movement Type:
Electrical
Body Depth:
Between 2.000 inches and 2.062 inches
Smallest Increment Indicated:
1.00
Mounting Method:
Semiflush
Reset Feature:
Not provided
Maximum Measurement:
9999.00
Marking Color:
White
Background Color:
Dull black
Electrical Movement Type:
Synchronous motor
NSN:
6645-01-224-8973
Item Name:
Hour Meter-non Resetable
Cage Code:
54418

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
MS21341B-05
Cage Code:
96906
RNCC:
2
RNVC:
2
RNAAC:
CX
Status:
A
MSDS:
SADC:
Part Number:
MIL-M-7793
Cage Code:
81349
RNCC:
4
RNVC:
1
RNAAC:
CX
Status:
A
MSDS:
SADC:
Part Number:
MS21341B-05
Cage Code:
96906
RNCC:
2
RNVC:
2
RNAAC:
CX
Status:
A
MSDS:
SADC:
Part Number:
MIL-M-7793
Cage Code:
81349
RNCC:
4
RNVC:
1
RNAAC:
CX
Status:
A
MSDS:
SADC:

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Catalog Drilldown
--- Instruments And Laboratory Equipment
------ Time Measuring Instruments
--------- Time Totalizing Meters
------------ P/N M225-21

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Last Updated: 08/07/2025