MIL-PRF-20042E
6.
NOTES
(This section contains information of a general or explanatory nature
which may be helpful, but is not mandatory.)
6.1 Intended use. The installation of these flanges is intended to be
accomplished by silver brazing without exceeding a temperature of 1500oF. The
fittings are intended for use with the following or their equivalent
commercial pipe standards:
Material
Specification
Copper tube
MIL-T-24107
Copper-nickel alloy tube
MIL-T-16420
Brass tube
MIL-T-20168
Nickel-copper alloy tube
MIL-T-1368
6.2 Acquisition requirements.
Acquisition documents must specify the
following:
(a)
Title, number, and date of the specification.
(b)
Type, class, size, and rating required (see 1.2).
(c)
Issue of the DODISS to be cited in the solicitation, and
if required, the specific issue of individual documents
referenced (see 2.2.1 and 2.3).
(d)
Chemical composition if other than as specified (see
3.1).
(e)
When brazing rings are to be furnished with the flanges
(see 3.3.1).
(f)
If silver brazing rings are other than as specified (see
3.3.1).
(g)
If flange finish is other than as specified (see 3.5.1).
(h)
When flanges are to be undrilled (see 3.5.2).
(i)
Packaging requirements (see 5.1).
Bore diameters when 400 lb/in2 flanges are ordered (see
(j)
table IX).
6.3
Lot acceptance and rejection criteria.
6.3.1 Visual and dimensional examination. If one or more defects are
found in any sample, the entire lot represented by the sample should be
rejected. If a lot is rejected, the contractor has the option of screening
100 percent of the lot for the defective characteristic(s) or providing a new
lot which should be examined as specified in 4.2.
6.3.2 Hydrostatic pressure leakage test. If one or more defects are
found in the sample, the entire lot represented by the sample should be
rejected. If the lot is rejected, the contractor has the option of screening
100 percent of the lot for the defective characteristic(s) or providing a new
lot which should be tested as specified in 4.3.1.
6.4
Subject term (key word) listing.
Brazing rings
Gas service
Oil service
Pipe standards
Steam service
Water service
8
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business