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| MIL-M-21124 (NOrd)
And all drawings, standards and specifications listed thereon. In
the following specification, all referenced drawing numbers are listed
on BUORD LD No. 139306 unless otherwise designated,
PUBLICATIONS
BUREAU OF ORDNANCE
NAVORD OP 400
General Instructions for the Design,
Manufacture and Inspection of Naval
Ordnance Equipment.
(Copies of specifications, standards, drawings and publications
required by contractors in connection with specific procurement
functions should be obtained from the, procuring agency or as directed
by the contracting officer. )
2.2 Other publications, - The following documents form a part of
this specification. Unless otherwise indicated, the issue in effect on
date of invitation for bids shall apply.
NATIONAL BUREAU OF STANDARDS PUBLICATIONS
Handbook H28 and 1950 supplement
Screw thread standards for the
Federal Services.
(Application for copies should be addressed to the Superintendent
of Documents, Government Printing Office, Washington 25, D, C. )
3. REQUIREMENTS
3.1 Description. - The Mine Case Mark 25 Mod 1 is an elongated
steel cylindrical weldment, one end of which is closed by an angular
nose piece, referred to generally as a spoiler, which serves to reduce
the diving tendency of the mine when entering the water, The other end
of the cylinder is tapered to terminate in an extending flange, to which
is secured in service a parachute pack or tail fin, as the case may be,
depending upon the intended method of launching, The case is separated
generally into two compartments, a charge compartment and a mechanism
2
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