MIL-PRF-52747F(AT)
3.2.1 Material deterioration prevention and control. Each nozzle shall be fabricated from
compatible materials, inherently corrosion resistant or treated to provide protection against the
various forms of corrosion and deterioration that may be encountered in any of the applicable
operation and storage environment to which the nozzle may be exposed.
3.2.2 Threaded parts. All pipe threads shall conform to ANSI/ASME B1.20.1 and
machine threads shall conform to ANSI/ASME B1.1. Antiseize tape shall be applied to all male
pipe threads prior to assembly (see 4.4.2).
3.2.3 Cleaning, treatment, finish and protective coating. The nozzle shall be cleaned,
treated and finished in accordance with the manufacturer's standard commercial practice. When
required to provide a path for electrical current, protective coatings may be removed locally.
Unless otherwise specified (see 6.2) top coat color shall be green 383 (No. 34094 of
FED-STD-595). Color matching shall be in accordance with ASTM D1729 for general color
match. Mating surfaces and surfaces in contact with fuel shall not be painted (see 4.4.2).
3.3 Design and construction. The closed-circuit refueling nozzle assemblies shall be as
specified (see 4.4.2 and 6.2).
3.3.1 Type I nozzle. The Type I nozzle shall consist of a refueling nozzle as specified
herein, equipped with a strainer, a quick-disconnect, automatic shutoff coupler and a class A or B
inlet connector. The nozzle shall include ground cable assemblies.
3.3.1.1 Class A inlet connector. The Class A inlet connector shall be a 2-inch female
cam-locking type quick disconnect coupling half with external pipe threads per MS27026, with a
gasket per MS27030 and a plug per MS27029.
3.3.1.2 Class B inlet connector. The Class B inlet connector shall be a 2-inch, non-valve,
unisex adapter with cap, per part number AE70725R or 64019J (see 6.4).
3.3.2 Type II nozzle. The Type II nozzle shall consist of a refueling nozzle as specified
herein, equipped with a strainer, a quick-disconnect, automatic shutoff coupler and a 2-inch
female cam-locking type quick disconnect coupling half with external pipe threads per
MS27026, with a low temperature gasket conforming to Drawing 13228E1768 and a plug per
MS27029. The nozzle shall include ground cable assemblies.
3.3.3 Drawings. The drawings forming a part of this specification are interface
drawings.
5
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business