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|  MIL-L-25798D(USAF)
The oral valve shall be attached to the oral
3.7.6 Oral valve attachment.
The valve shall withstand a load of 50 pounds.
tube.
The adhesion of all seams and attachments to the flota-
3.7.7 Adhesion.
tion cells shall be not less than 5 pounds per inch of width after joining
coated to uncoated sides of the cell cloth and not less than 7 1/2 pounds per
inch of width after joining coated to coated sides of the cell cloth.
3.7,8 Leakage after operation. After the life preserver has been inflated
10 times as specified in 4.7.10, the cells shall not leak.
3,7.9 Buoyancy. When the flotation cell of a completely assembled life
preserver is inflated by the carbon-dioxide cylinders, the life preserver shall
support a weight of 50 pounds in water.
3.7,10 Salt spray. Unless otherwise specified, all metal parts used in
the construction of the life preserver shall withstand a 96 hour exposure to
salt spray without corrosion of the base metal.
3.8 Details of components.
The shape and dimensions of the flotation cell shall
3.8.1 Flotation cell.
The cell shall have two mechanical infla-
conform to the applicable drawing.
The cell shall be provided with an
tion systems and an oral inflation system.
internal device or devices to disperse the discharge of gas from the carbon-
dioxide cylinders to prevent the cracking of the coating of the flotation cell
The device or devices shall not abrade nor damage the
cloth during inflation,
A snap fastener shall be cemented to the upper front of
cloth of the cell.
the cell for attachment of the signal light.
Each mechanical inflation system
3,8.1.1 Mechanical inflation system.
shall conform to the applicable drawing (56K3881).
The oral inflation system shall conform
3,8.1.2 Oral inflation system.
to the applicable drawing (56K3881).
3,8,2 Container.
The container shall conform to the applicable drawing
and shall be constructed of one panel, folded in the middle to form an envelope
and held closed with snap fasteners.
3.8.2,1 Harness. An adjustable harness shall be attached to the container
as shown on the applicable drawing.
3,8.2,2 Container-to-cell attachment.
The flotation cell shall be attached
to the container by means of snap fasteners,
3.8.3 Emergency signal light.
The emergency signal light shall consist of
a signal bulb, a water-activated battery, an electric cord, and an attachment
patch and shall be attached to the snap fastener assembly on the flotation
cell.
The emergency signal light used shall be one that has been approved by
the procuring activity (see 6.5).
The whistle shall conform to MIL-W-1053, type II, and
3,8,4 Whistle.
shall be of either split or solid construction,
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