An Integrated Publishing, Inc. Site

An Integrated Publishing Website

MIL-DTL-3661 Lampholders, Indicator Lights, Indicator Light Housing, And Indicator Light Lenses, General Specification ForThis specification covers the general requirements for lampholders, indicator lights, indicator-light housings, and indicator-light lenses including display and integral lamp driver network types and associated hardware. For the purpose of this specification, an indicator-light housing is an indicator light without a lens \(see 6.5\).

Pages 1 - - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - 21 - 22 - 23 - 24 - 25 - 26 - 27 - 28 - 29|||

MIL-DTL-3661D

SEE

NOTE 2

.500

�.125 �.001

MIN

.015 X 45�

�.438

INCHES

�.015

0.03

.001

5/16 - 32 NEF-2A

0.05

.002

0.38

.015

KNURL

UNDERCUT �.270 �.002

0.79

.031

1.70

.067

1.98

.078

3.10

.122

3.18

.125

6.86

.270

1.500

11.13

.438

�.015

12.70

.500

.122 �.001

38.10

.031

1.500

�.015

�.270 �.002

SEE

NOTE 3

TEST PLUG MIGET-FLANGE

NOTES:

1. ALL DIMENSIONS IN INCHES.

2. THE SHANK LENGTH SHALL BE AS REQUIRED (SEE 3.2).

3. FOR INCANDESCENT A = .067 +.000

-.002

FOR NEON

A = .078 +.000

-.002

INCHES

SEE 3.2

.375

.001

0.03

�.015

.010

0.25

SEE 3.2

.093

.015

0.38

.031

�.001

0.79

.055

1.40

.089

2.26

.375

.090

2.29

�.015

.091

2.31

.093

2.36

.180

4.57

.375

SEE 3.2

9.53

1.078

27.38

UNDERCUT BELOW THREAD

.125 �.015

ROOT DIAMETER

KNURL

.125 �.015

.055 �.001

1.078

.090 �.010

.180

.089

.031 �.015

�.010

.091

NOTE: ALL DIMENSIONS IN INCHES.

TEST PLUG FOR SUBMIGET-FLANGE-BASE-INDICATOR-LIGHT HOUSINGS

FIGURE 6. Test plugs for midget and submidget-flange-base-indicator-light housings (contact-spring-pressure test).