MIL-DTL-27536C
for heading shall be in the condition required for fabrication and to meet the
strength and quality requirements for bolts in accordance with AMS7478.
3.6.2 Manufacture. Type A286 bolts shall be manufactured to the
requirements of AMS7479.
3.6.3 Threads. Machine screw threads shall conform to MIL-S-8879. All
external or internal threaded parts shall be securely locked in such manner as
to prevent loosening under test conditions specified herein and under normal
service usage. Threads shall be formed on the heat treated and finished blank
by single rolling.
3.7
Band and retainer requirements.
3.7.1 Material.
Bands and retainers shall be made of the following
materials:
Standards
Material
MIL-DTL-27536/1, MIL-DTL-27536/2
300 series stainless steel
MIL-DTL-27536/3
A286 stainless steel
3.8 Finish. All surfaces of the coupling shall have a finish equivalent
to 63-125 microinches Ra of ANSI/ASME B46.1 or smoother and shall be free from
burrs and sharp edges or other injurious defects.
3.8.1 Protective treatment. Corrosion-resistant steel components shall be
given a thermal treatment, if necessary, to relieve any locally high residual
forming stresses, followed by mechanical or chemical removal of discoloration.
3.9 Identification of product. Equipment, assemblies and parts shall be
marked for identification in accordance with MIL-STD-130. In addition, these
special characteristics shall be added:
Complete MS part number
Manufacturer's name or trademark and CAGE code
Manufacturer's part number
Operating temperature range
Torque - (pounds - inch (KN))
3.10 Workmanship. The coupling shall be fabricated and finished in a
thoroughly workmanlike manner. Particular attention shall be given to freedom
from blemishes, defects, burrs, tool marks, and sharp edges.
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