 |
|||
|
|
|||
| ||||||||||
|
|  MIL-C-70726A (AR)
2.3 Order of precedence. In the event of conflict between
the text of this document and the references cited herein, the
text of this document takes precedence. Nothing in this
document, however, supersedes applicable laws and regulations
(See contract
unless a specific exemption has been obtained.
provisions for additional precedence criteria).
REQUIREMENTS
3.
3.1 General. The cartridges shall comply with the
requirements shown on drawing 12576458, reference specifications
and the requirements stated in this section. All of the
cartridge components shall be compatible with each other. The
primer mix shall be noncorrosive and the propellant shall be
smokeless. The cartridge shall be compatible with Caliber .50 M9
and M15A2 links, the M2 Browning Machine Gun (M2BMG) with M19
BFA, and M85 Machine Gun with M20 BFA weapon systems. When
ammunition is to be procured for use with M2 Browning Machine
Guns the cartridges shall be linked with M9 links. When
ammunition is to be procured for use with M85 Machine Guns the
cartridges shall be linked with M15A2 links.
A sample shall be submitted for
3.2 Qualification.
qualification in accordance with (IAW) the technical provisions
specified herein (see section 4). The purpose of qualification
is to verify that a particular contractor's design shall be
considered qualified indefinitely. The contractor shall submit
level 3 detailed item drawings IAW DOD-STD-100, MIL-A-2550 and
ANSI Y14.5-82 to the Government for configuration control. All
changes shall be submitted IAW MIL-STD-973 for review and
approval by the Government. The Government reserves the right to
subject the revised design to any or all the qualification
evaluations specified in 4.3 at the expense of the contractor.
3.3 First article inspection. When specified in the
contract or purchase order, a sample shall be subjected to first
article inspection IAW the technical provisions specified herein
(see 4.4).
3.4 Performance
characteristics.
3.4.1 Primer sensitivity. The value of the average height
(h) minus 2 standard deviations (s) shall be equal to or more
than 63mm (2.5"). For cartridges with metal cases the value of
h + 5s shall be equal to or less than 381mm (15"). For cartridge
cases made of other materials, the value of h + 5s shall be
established by the contractor prior to completion of
Qualification testing.
3.4.2 Residual stress. The cartridge shall not split when
subjected to the accelerated stress test for the applicable
materials.
5
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals