3.3 Selection of specification and standards. Specifications and standards
for necessary commodities and services not specified herein shall be selected in
accordance with MIL-STD-970.
3 . 4 Protective treatment for slinq materials. Materials used in the
construction of the slings shall be protected against deterioration when exposed to
climatic and environmental conditions likely to occur during service. This
protection against deterioration shall be accomplished in a manner which will not
prevent compliance with the performance requirements of this specification.
P r o t e c t i v e coatings that will crack, chip, or scale with age or extremes of
All fabric and webbing
climatic and environmental conditions shall not be used.
Finishes and
used in the slings shall be treated in accordance with MIL-M-46032.
protective coatings on all metal surfaces of the slings shall be in accordance with
MIL-STD-808 and for USAF slings Drawing 7545352.
3 . 5 Standard steels. Steels complying with ASTM, AMS, Military, Federal or
AISI standards shall be utilized in the design and fabrication of the slings and
s h a l l be corrosion resistant or treated to resist corrosion due to fuels, salt
spray, or atmospheric conditions likely to be encountered during storage or normal
service.
Heat treatment of steel materials shall be in
3 . 5 . 1 Heat treatment.
accordance with MIL-H-6875.
3 . 5 . 2 W e l d i n g Welding shall be accomplished and inspected in accordance
with MIL-STD-2219 and shall only be accomplished by operators who are presently
qualified.
3 . 5 . 3 Castings. W h e n used, castings shall be designed and classified In
accordance with the requirements of MIL-STD-2175.
3 . 5 . 4 Screw threads.
Screw threads and threaded fasteners shall meet
applicable requirements of FED-STD-H28 except those threads that are designed for a
These threads and "safety" critical threads shall be in
c r i t i c a l application.
accordance with MIL-T-8879.
Standard parts (MS, AN, or NAS) shall be used wherever
3 . 5 . 5 Standard parts:
they are suitable for the purpose, and shall be identified on the drawing by their
part numbers. Commercial utility parts such as screws, bolts, nuts, cotter pins,
et cetera, may be used provided they possess suitable properties and are replaceable
by the standard parts (MS, AN, or NAS) without alteration, and provided the corres-
p~ndlng standard-part numbers are referenced in the parts list as acceptable
a l t e r n a t e s and, if practicable, on the contractor's drawings. In the event there
is no suitable corresponding standard part in effect on date of invitation for
bids, commercial parts may be used provided they conform to all requirements of
t h i s specification.
3 . 6 Fabric webbing. All fabric type materials used in the slings structure
shall conform to CCC-C-419. All webbing straps used shall conform to MIL-W-5665 or
MIL-W-4088. The fabric or webbing shall be constructed to prevent undue fraying of
the edges and at attachment points. All ends or termination of nylon thread or
webbing shall be secured by heat-searing.
The threads used in the termination or assembly of the
3 . 6 . 1 Fabric threads.
-
w e b b i n g shall be nylon thread in accordance with V-T-295 which Is the preferred
material . The thread 111p4" style="font-size:13px"> design requirements.
size and class shall be determined by the
4
For Parts Inquires submit RFQ to Parts Hangar, Inc.
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business