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20. N O N - E N V I R O N M E N T A L E M I / R F I B A C K -
14. Strain Reliefs. A strain relief is a support or clamping
SHELLS. A non-environmental backshell is an attach-
device which attaches directly to connector See WP 007
ment on backside of a connector that does not protect
03 for detailed information on M85049/51, M85049/
against moisture, dust and dirt but does provide EMI/
52, M85049/53, M85049/54 and M85049/55. See Note
RFI protection. For detailed information on: M85049/
following paragraph 2 this WP on AS, M and MS
26, M85049/26-1, M85049/26-2, M85049/24, M85049/
prefix.
23 and M85049/25 backshells, see WP 007 03 back-
shells. See Note following paragraph 2 this WP on AS,
15. SHRINK BOOTS AND ADAPTERS. Boots and
M and MS prefix.
adapters are protective coverings over any portion of
a cable, wire, or connector in addition to normal
21. ENVIRONMENTAL EMI/RFI BACKSHELLS. This
jacketing or insulation. A protective housing usually
type of backshell is used when moisture entry and
made from a resilient material to prevent entry of
EMI/RFI protection is needed. Figure 13 illustrates a
moisture into a connector. Adapter and boots M83723/
typical environmental EMI/RFI Backshell assembly. .
27 are illustrated in Figure 9. See WP 011 03 for detailed
For detailed information on: M85049/8, M85049/6
information on M83723/16 shrink boots and adapter.
and M85049/10 backshells, see WP 007 03. See Note
See Note following paragraph 2 this WP on AS, M and
following paragraph 2 this WP on AS, M and MS
MS prefix.
prefix.
16. EMI/RFI GROUNDING TERMINATORS. Ground
22. CONDUIT FITTINGS. Conduit fittings are used to
terminators are used to ground or shield a connector to
connect a conduit to a connector, and may be either a
ferrule, nut, adapter, box fitting, 45 elbow, 90 elbow,
hex nut, or seal assembly. See WP 007 03 for detail
electrical shield is employed which is terminated at
information on conduit fittings: AN3050, AN 3051,
one or both ends to a ground or some other
AN3052, AN3053, AN3054, AN 3055, AN 3056, AN3060,
predetermined point with respect to ground. Shields
AN3061, AN3062, AN3063, AN3066, AN3068, and
can be applied to individual wires, cables, bundles, or
AN3067. See Note following paragraph 2 this WP on
harnesses. See WP 007 03 for detail information on
AS, M and MS prefix.
grounding terminator M818121, and ferrules: MS21980,
and MS 21981. See Note following paragraph 2 this WP
on AS, M and MS prefix.
provided and shall be used to stow unmated plugs,
caps, or protective covers when related component is
17. E M I / R F I
GROUNDING
TERMINATOR
not in operational use. The dummy receptacle shall be
INSTALLATION. EMI/RFI grounding terminator
marked and located to permit easy access. See detailed
installation procedures are contained in Figure 10.
information on MS3115 in WP 008 03. Figure 14
illustrates the detailed information on dummy
18. NON-ENVIRONMENTAL BACKSHELLS. A non-
receptacle MS3105, and Figure 15 shows details of
environmental backshell is an attachment on backside
NAS1196. Figure 16 illustrates the M83723/61-1 and
of a connector that does not protect against moisture,
M83723/61-2 is illustrated in Figure 17. See Note
dust, and dirt. The M83723/35 backshell is illustrated
following paragraph 2 this WP on AS, M and MS
with various clamp configurations in Figure 11. The
prefix.
M83723/51 backshell has been cancelled without
replacement and is provided for reference only (see
24. DUST CAPS. Protective covers are more commonly
Figure 12).
called dust caps. The purpose of dust caps is to prevent
dirt from entering connectors, pins, and sockets and to
19. E N V I R O N M E N T A L
BACKSHELLS.
An
prevent coupling device from damage. The MS3180 is
environmental backshell is a device that provides
shown in Figure 18 and MS3181 in Figure 19. See WP
protection from moisture, dirt, air, or dust which may
007 03 for detailed information on dust caps: MS25042
reduce performance of the connector. They do not
and MS25043. See Figure 20 for detailed information
provide protection from nonphysical environments
on M83723/59-1, Figure 21 for M83723/59-2, Figure 22
such as RIP and radiation .For detailed information on:
for M83723/60-1, Figure 23 for M83723/60-2 and
M85049/9, M85049/7 and M85049/11 backshells, see
Figure 24 for MS90376. See Note following paragraph 2
WP 007 03. See Note following paragraph 2 this WP on
this WP on AS, M and MS prefix.
AS, M and MS prefix.