INCH-POUND
MIL-PRF-24758A(SH)
24 September 2004
SUPERSEDING
MIL-C-24758(SH)
05 August 1991
PERFORMANCE SPECIFICATION
CONDUIT SYSTEMS, FLEXIBLE, WEATHERPROOF
This specification is approved for use by the Department of the Navy and is available for use by all
Departments and Agencies of the Department of Defense.
1.
SCOPE
1.1 Scope. This specification covers the performance requirements for weatherproof flexible conduit
systems (see 6.3.12) for use primarily in exposed areas (see 6.3.10) on U.S. Navy ships, to shield against
electromagnetic (EM) radiation from own-ship transmitters and emissions external to the ship, electromagnetic
pulse (EMP) (see 6.3.8) events, and to minimize corrosion (see 6.3.6) while being field repairable to reduce
maintenance.
Classification. Classification on conduit sizes is as follows:
1.2
Nominal ID
Minimum ID
Maximum OD
(inches/metric)
(inches/metric)
(inches/metric)
.25 in (6 mm)
.245 in (6.223 mm)
.58 in (14.732 mm)
.50 in (13 mm)
.495 in (12.573 mm)
.85 in (21.59 mm)
.75 in (19 mm)
.745 in (18.923 mm)
1.10 in (27.94 mm)
1.00 in (25 mm)
.995 in (25.273 mm)
1.41 in (35.814 mm)
1.25 in (32 mm)
1.245 in (31.623 mm)
1.66 in (42.164 mm)
1.50 in (38 mm)
1.495 in (37.973 mm)
1.91 in (48.514 mm)
2.00 in (50 mm)
1.995 in (50.673 mm)
2.44 in (61.976 mm)
2.50 in (63 mm)
2.495 in (63.373 mm)
2.94 in (74.676 mm)
Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data that may improve this
document should be sent to: Commander, Naval Sea Systems Command, ATTN: SEA 05Q, 1333 Isaac Hull
Avenue, SE, Stop 5160, Washington Navy Yard DC 20376-5160 or emailed to
commandstandards@navsea.navy.mil, with the subject line "Document Comment". Since contact information can
change, you may want to verify the currency of this address information using the ASSIST Online database at
www.dodssp.daps.mil.
AMSC N/A
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