MIL-P-24475 (SHIPS)
3.2.18 Painting.
3 .2.18.1 Pump external unmachined surface of ferrous metal parts, except corrosion -
resistance steel, shall be thoroughly cleaned, and coated with paint in accordance with the
following specifications
(a)
One coat of pretreatment coating in accordance with MIL-P-15328.
One coat of zinc chromate primer in accordance with TT-P-645 or one coat of
(b)
red lead primer in accordance with MIL-P-17545.
One finish coat of light gray equipment enamel in accordance with MIL-E-15090.
(c)
Welding and brazing.
3.2.19
3.2.19.1 Welding shall be in accordance with MIL-STD-278,
3.2.19.2 Silver brazed joints shall conform to the fabrication and inspection require-
ments of NAVSHIPS 0900-001-7000. However, where practical, the use of silver brazed joints
should be avoided.
3.2.20
Identification plates.
3.2.20.1 Identification plates shall be furnished on each pump. They shall be type A
or B in accordance with MIL-P-15024 and MIL-P-15024/5, except that identification plates of
plastic or aluminum are not acceptable.
3.2.20.2 Identification plates shall be secured to equipment with corrosion-resistant
metallic screws or rivets.
3.2.20.3 Pump identification plates shall contain data as follows:
Manufacturer's name.
(a)
Manufacturer's model or type and size.
(b)
Service application.
(c)
Manufacturer's serial number.
(d)
Sallent design characteristics.
(e)
(1) Capacity in g.p.m.
(2) Total head in pounds per square inch (p.s.i. ).
Speed of shaft in r.p.m.
(3)
Brake hp.
(4)
(5) Test pressure.
(6)
Special data vital to the unit:
Suction pressure.
Submergence.
c. Impeller diameter.
(f)
Contract number (and item number for multiple unit orders).
Federal stock number
(g)
(h)
Section for Defense Contract Administration Services (DCAS) stamp.
NAVSHIPS technical manual number.
(1)
3.2.20.4 Each driving unit and each accessory unit shall have an identification plate
in accordance with the applicable equipment specification.
3.2.21 Locking devices. Pump internal threaded fasteners and threaded machine elements
shall be secured by locking devices where continuous operation under the conditions of shock,
vibration and temperature specified herein depend on maintaining tight connections of parts.
Set screws shall have locking devices.
3.2.22 Performance characteristics.
The operating characteristics of the pumps and
drivers shall be as specified (see 6.1) ,
3.2.23 Type driver.
The type of driver shall be as specified (see 6.1).
3.2.24 Part interchangeability.
All parts for pumps manufactured to the same drawings
shall be interchanageable.
3.3 Detail requirements.
3.3.1 The design shall be of the single stage, single suction, volute type capable
of passing 2-1/2 inch diameter spherical sewage solids.
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