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Page Title:
Barrel assembly with biped assembly (7269027). |
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|  MIL-M-45013E (AR)
(Copies of other Government documents, drawings and publications
required by contractors in connection with specific acquisition
functions should be obtained from the contracting activity or as
directed by the contracting activity.)
2.3 Order of precedence. In the event of a conflict between
the text of this document and the references cited herein (except
for related associated detail specifications, specification
sheets, or MS standards), the text of this document takes
precedence. Nothinq in this document, however, supersedes
applicable laws and-regulations unless a specific exemption has
been obtained. (See contract provisions for additional
precedence criteria.)
3. REQUIREMENTS
3.1 First article. Requirements for submission of a first
article by the contractor shall be as specified in the contract
(see 6.2). Unless otherwise specified (see 6.2) the first
article shall include the pilot pack (see 5.1).
3.2 Material and construction. Machine guns and parts shall
conform to the materials and construction requirements specified
herein, on Drawing (dwg) 7269100 and drawings applicable thereto,
and shall be in accordance with the applicable materials and
construction processes of MIL-W-13855.
3.3 Design. Machine guns and parts shall conform to the
design specified herein, on dwg 7269100 and drawings applicable
thereto, and shall be in accordance with the applicable design
provisions of MIL-W-13855
3.3.1 Barrel assembly with biped assembly (7269027). The
barrel assembly with biped assembly shall be capable of being
manually assembled to and disassembled from the receiver assembly
(11686308) When the barrel lock (11010184) is in the vertical
position and when the bolt assembly (11010357) is fully
retracted. The barrel assembly with biped assembly shall be so
fabricated that when the machine gun is completely assembled, the
requirements for targeting and accuracy (3.4.6) shall be met.
3.3.1.1 Barrel assembly (7269028), The barrel assembly
shall be free of cracks and seams and the bore and chamber shall
be free of pits. The chromium plating shall be free of nodules,
flaking, stripping, anode bums and evidence of etched base
steel. No mechanical methods for removal of chromium plating are
permitted in the tube bore. Burrs and sharp edges shall be
removed from chamber edges and scratches or marks, occurring in a
chamber which otherwise meets the surface roughness requirements,
4
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