MIL-DTL-3661D
3.4.9.2.5 Symbol S (gray). Gray color shall be in accordance with FED-STD-595, number 36231.
3.4.9.2.6 Symbol D (black). Black color shall be in accordance with FED-STD-595, number 37038.
3.4.9.3 Mounting. Lenses shall be so designed that when they are repeatedly removed and installed to
their applicable mating holder (that is indicator-light housing etc.) that no physical contact will be imposed on the
lamp envelope.
3.4.9.4 Lamp retention. Lenses, designed to accommodate midget flange base lamps, shall include a lamp
retainer means.
3.4.9.5 Marking. When specified (see 6.2), symbols and legend to be displayed on lenses shall conform to
SAE-AS18012. Corners and ends of character strokes may exhibit radii.
3.4.10 Lamp contacts.
3.4.10.1 Contact and spring material. Lamp contacts shall be of a copper base alloy and shall be suitably
plated. Lamp contact springs shall be beryllium copper suitably plated or shall be of a corrosion-resistant steel.
When the contact and contact spring are combined as an integral part (one piece of metal) copper beryllium alloy or
phosphor bronze, suitably plated, shall be used.
3.4.10.1.1 Moving contacts (bayonet locking holders). The distance between the top of the moving
contacts and the top of the locking slot shall be .047 inch minimum, .156-inch maximum for miniature lamp sockets,
and .187 inch minimum, .234 inch maximum for candelabra lamp sockets (see figure 1).
.272
.605
I.D.
.290
.609
INCHES
mm
.187
4.75
.187
.234
5.94
.234
A
A
6.91
.272
7.37
.290
15.37
.605
15.47
.609
SECTION A - A
AXIS OF LAMP PINS
FRONT VIEW
NOTE: ALL DIMENSIONS IN INCHES
CAMDELABRA BAYONET LAMP SOCKETS
FIGURE 1. Moving contacts.
8
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business