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MIL-T-82571A(OS)
The following documents form a part of this
Other publications.
2.2
specification to the extent specified herein.  Unless otherwise indicated,
the issue in effect on date of invitation for bids or request for proposals
shall apply.
National Bureau of Standards Publications
Screw-Thread Standards for the Federal
Handbook H28
Services
(Application for copies should be addressed to the Superintendent of
Documents, Government Printing Office, Washington, DC 20402.)
REQUIREMENTS
3.
Torpedo Tube Assembly Mk 32 Mod 9 is a stationary,
3.1 Description.
pneumatic launching device capable of receiving, stowing, and launching
Torpedoes Mk 44 and Mk 46.  The tube assembly consists of two parallel bar-
rels (Mk 10 Mods 10 and 11), one mounted above the other; four interchange-
able breech mechanisms (Mk 1 Mod 1); and torpedo securing mechanisms.  Each
barrel is capable of being made ready to fire, fired, and returned to the
safe or standby condition electrically from a remote location or manually
at the tube.  During manual firing a latch plate is swung open to provide
automatic switching from normal to emergency gyro squib fire power and also
to provide access to the firing solenoid plunger.  The tube is equipped
with an electrical junction box mounted on the left side of the barrel when
viewed from the breech end.  The junction box receives presetting functions
from the fire control system and transmits them via electrical cabling to
each barrel-housed torpedo.  It also transmits the remote, safe, readying,
and firing commands to the tubes and connects the electrical circuitry to
the muzzle door heating units.  Each muzzle door is pneumatically operated
by ship's low pressure air and can be controlled remotely by electrical means
or manually at the tube.  A flexible charging hose is also supplied with
the tube and is mounted on the deck house wall.
I
3.2 General requirements
*:
1
3.2.1 Preproduction samples.  Unless otherwise specified in the contract
or order, a preproduction sample of Torpedo Tube Assembly Mk 32 Mod 9 shall
be manufactured using the methods and procedures proposed for production.
The sample will be tested as specified in Section 4 herein and is for the
purpose-of determining, prior to production, that the contractor's production
methods are capable of producing an item that meets the requirements of this
specification and the design
(See 6.2)
Unless otherwise specified in the contract, requisition,
3.2.2 Materials.
or order, all materials and purchased parts entering into the final assembly
of Torpedo Tube Mk 32 Mod 9 shall conform strictly to the detailed require-
ments indicated on the drawings and specifications listed in NAVORD LD 621172.
3

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