MIL-DTL-15098/10D
REQUIREMENTS:
Design and configuration: See figure 1 and table I.
Vibration: Applicable when glow lamps with in-base resistors are specified.
Shock: Method II of MIL-DTL-15098.
Part number: M15098/10 - (Dash number from table I).
In-base resistors: Shall be determined by adding "R" to the corresponding dash number.
TABLE I. Dash numbers and characteristics.
Dash no.
Characteristic
001
001R
002
002R
Bulb shape and size
T 3-1/4
T 3-1/4
T 3-1/4
T 3-1/4
Maximum overall length (inch)
1.188
1.188
1.188
1.188
Base
MB
MB
MB
MB
Electrode shape
W11
W11
W11
W11
Electrode length (millimeter, nominal)
9
9
9
9
Distance from end of electrode
0.094
0.094
0.094
0.094
to end of bulb
Series resistor
Ohms
220,000
220,000
47,000
47,000
Location
External
In base
External
In base
Characteristic gas
Neon
Neon
Neon
Neon
Glow color
Red
Red
Red
Red
Watts (nominal)
0.04
0.04
0.142
0.142
Application
Indicator
Indicator
Indicator
Indicator
Brightness
Standard
Standard
High
High
Nominal circuit voltage (volts)
120 AC
120 AC
120 AC,
120 AC,
150 DC
150 DC
Maximum initial starting voltage (volts)
In light (DC)
90
90
135
135
In light (AC)
65
65
95
95
Design current (milliamperes)
0.3
0.3
1.2
1.2
Initial light output (lumens)
0.015
0.015
0.090
0.090
Average life at design current (hours)
10,000
10,000
20,000
20,000
Industry number
ANSI
B1A
B1AR
B2A
B2AR
Former industry number
NE-51
NE-51-R
NE-51H
NE-51H-R
CHANGES FROM PREVIOUS ISSUE. Marginal notations are not used in this revision to
identify changes with respect to the previous issue due to the extent of the changes.
2
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