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|  MIL-R-24414D(SH)
3.2.1.1 Faying surfaces Where practicable, faying surfaces of dissimilar
metals shall be separated by a physical barrier such as adhesive-backed insulating
tape in accordance with MIL-I-24391.
terial inform ation
3.2.1.2
The contractor shall retain material
ordering and receipt information for examination to ensure the materials used
conform to the requirements specified herein.
3.2.2 Hose
When hose is required (see 6.2), the hose and packaging thereof
shall be in accordance with MIL-H-24580.
3.2.3 Recovere d materials
Unless otherwise specified herein, all equip-
ment, material, and articles incorporated in the products covered by this
specification shall be new and may be fabricated using materials produced from
recovered materials to the maximum extent practicable without jeopardizing the
intended use.
The term "recovered materials" means materials which have been
collected or recovered from solid waste and reprocessed to become a source of raw
materials, as opposed to virgin raw materials.
None of the above shall be
interpreted to mean that the use of used or rebuilt products is allowed under this
specification unless otherwise specifically specified.
3.2.4 Dim ensions.
The general outline and base mounting dimensions for hose
reels shall be as shown on figures 1, 2 and 3 .
Hose guide dimensions shall be as
shown on figures 4 and 5.
3.3 Construction.
Reels and guides shall be constructed as specified in
3.3.1 through 3.3.4 (see 6.3).
3.3.1 Hose reels. Hose reels shall be lightweight and compact.
They shall
be durable and of a rigid construction.
The drum shall not collapse when hose on
the reel is water-pressurized to 240 pounds per square inch (psi).
It shall be
held for 5 minutes without the hose being pulled off the reel.
With the hose
water-pressurized to 175 psi, the reel shall operate smoothly with no binding
while the hose is reeled on and off the reel.
Reels shall be top wind and
right-hand operational. The reels, prior to installation of hose, shall withstand
a hydrostatic proof-test pressure of 400 psi,
3.3.1.1 Drum assembly.
The construction of the completed drum assembly
shall be so that disassembly may be accomplished without the use of special
tools . When bolted to a true flat surface, the shaft and rotating seal center-
lines shall be in true alignment.
The drum assembly, less hose, shall turn in
With the reels unpressurized, the rim pull
either direction without binding.
shall be not greater than 15 pounds.
3.3.1.2 MMounting Reels shall be mounted either on the deck or bulkhead.
Mounting dimensions are shown on Figures 1, 2, and 3.
Hose guides, if required,
shall be mounted as appropriate using the mounting dimensions shown in Figures
5 and 6.
Both ends of the drum shaft shall be supported on sleeve, ball, or
roller bearings.
Sleeve bearings shall have provision for easy lubrication.
Ball, or roller bearings shall be of the sealed type. The use of lockwashers is
prohibited.
Self-locking J-nuts in accordance with MIL-N-25017 shall be used.
Sleeve bearings shall contain a pressure relief device to prevent
overpressurization from zealous use of grease guns.
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