2.1.13.5
Tube Fittings
Tube fittings shall be made of stainless steel and be the flareless type
with SAE straight threads and [Buna N] [Viton] O-ring seals. The fittings
shall conform with SAE J514.
2.1.13.6
Hose
Flexible hydraulic lines shall be wire-reinforced, high-pressure-type hose
made of neoprene or Buna N. Flexible hose shall be rated by the
manufacturer for a working pressure not lower than the system operating
pressure indicated above with a factor of safety of 4. Fittings shall be
specifically designed for use with the hose selected and shall be as
recommended by the hose manufacturer. Fittings shall be made of stainless
steel and shall be the reusable type.
2.1.14
Bolts, Nuts, and Washers
2.1.14.1
Carbon Steel Bolts and Nuts
Carbon steel bolts and nuts shall conform to ASTM A 354, Grade BC, with
ASTM A 194/A 194M, Grade 2H nuts. Structural bolted connections carrying
primary loads shall be made with ASTM A 325M ASTM A 325 bolts.
2.1.14.2
Stainless Steel Bolts and Nuts
Stainless steel bolts and nuts shall conform to ASTM A 193/A 193M, Grade B7
or B16, with ASTM A 194/A 194M, Grade 8 nuts.
2.1.14.3
Flat Washers
Flat washers shall conform to ASTM F 844.
2.1.15
Hydraulic Fluid
**************************************************************************
NOTE: Specify the hydraulic fluid by brand name
only if it is necessary for the fluid to be
compatible with the fluid in an existing hydraulic
system.
**************************************************************************
The hydraulic fluid to be used during shop testing, [to fill the cylinders
before shipment,] flush the system after installation, and to fill the
complete hydraulic system shall be [[_____] Petroleum Corporation's [_____]
hydraulic oil which has a high viscosity index, low pour point, and
antifoam properties] [an all-weather type hydraulic oil which has a high
viscosity index, low pour point, rust and oxidation inhibitors, and
antifoam properties]. [The oil shall also be formulated to separate
quickly from water to prevent formation of emulsions.] [The hydraulic
fluid shall be certified by the manufacturer as fire resistant in
conformance with NFLPA T2.13.1 R3.] Fresh hydraulic fluid shall be
filtered through a 10 micron filter before it is added to the system. All
oil shall be supplied by the Contractor and two [210 L] [55 gallon] [[_____]
L gallon] containers shall be furnished to the Government for a reserve
supply.
SECTION 15010A
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