MIL-PRF-40136K
3.7.1 Maintainability. The type I unit, type II unit, and all installed attachments, shall be
accessible for service, repair, and replacement without the removal of major assemblies or
installed attachments.
3.7.2 Maintenance ratio. The tank and pump units shall have a maintenance ratio (see 6.5.1)
not greater than 0.08.
3.7.3 Reliability. The specified mean-time-between-failure (MTBF) (see 6.5.2) for the tank
and pump units, at rated capacity, shall be 114 hours.
3.7.4 Safety. All moving parts of the pump unit shall be guarded against hazard to personnel
or damage to equipment. All electrical terminals shall be completely enclosed or insulated to
prevent inadvertent contact by personnel and guarded against equipment that may cause arching.
Fuel tanks, or shielding, shall be located in a manner that will not allow spills or overflows to run
onto electrical equipment or promote combustion.
3.7.4.1 Electrical shock. Electrical equipment shall be effectively guarded and grounded to
protect personnel from an electrical shock hazard.
3.7.4.2 Continuity. The pump unit shall have a continuous electrical circuit between the
nozzle bonding wire, tank, pump unit, and the grounding rod, with a resistance not greater than
10 ohms.
3.7.5 Marking.
3.7.5.1 Identification marking. Identification markings shall be permanent, legible, and shall
include the manufacturer's identification code, the manufacturer's part number the part or
identification number (PIN), and the national stock number (NSN).
3.7.5.2 Instruction plates. Each tank and pump unit shall be equipped with instruction plates,
including diagrams, warnings and cautions, and procedures to be followed in assembling,
operating, or servicing the units. The instruction plates shall be permanently attached in
conspicuous, protected locations.
3.7.6 Materials. The materials selected for construction are the responsibility of the
contractor and shall be subject to all provisions of this specification. The materials shall be of
sufficient durability to meet all the performance requirements as specified herein. The material
shall have no adverse effect on the health of the personnel when used for its intended purpose.
Whenever feasible, toxic chemicals, hazardous substances, or ozone depleting chemicals (ODC)
shall not be used.
3.7.6.1 Recycled, recovered, or environmentally preferable materials. Recycled, recovered,
or environmentally preferable materials should be used to the extent possible provided that the
material meets or exceeds the operational and maintenance requirements, and promotes
economically advantageous life cycle costs.
3.7.6.2 Deterioration prevention and control. The unit shall be fabricated from compatible
materials, inherently corrosion resistant, or treated to provide protection against the various forms
of corrosion and deterioration to which the material is susceptible. Dissimilar metals shall not be
8
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business