MIL-PRF-0032482(SH)
3.4.1.1 Quick-acting mechanism. All dogs within the quick-acting mechanism shall operate simultaneously by
the single movement of a lever.
3.4.1.2 Dogs. QAWTDs shall have varying numbers of dogs (see 6.6.2), depending on the style of QAWTD
and its pressure rating. Dogs shall be spaced around the perimeter of the panel in order to distribute water pressure
in the event of flooding.
3.4.2 CPS latch. The QAWTD shall be capable of accommodating a Collective Protection System (CPS) latch.
When specified (see 6.2), a CPS latch shall be provided. The CPS latch shall be capable of being installed on
QAWTDs of airlocks and pressure locks that are located in boundaries of CPS zones. The CPS latch shall be
provided with positive engagement using a latch bar and either a straight or ramped keeper, as specified (see 6.2).
a.
A straight keeper shall be used where the QAWTD opens from a pressurized space.
b.
A ramped keeper shall be used where the QAWTD opens into a pressurized space.
Both the latch bar and the keeper shall have a coating applied to the contact surfaces to reduce wear.
3.4.3 Security locks. The QAWTD shall be capable of accommodating a lock. When specified (see 6.2), a
lock shall be provided.
3.4.4 Hook and bumper. The QAWTD shall be capable of accommodating a hook and bumper. When
specified (see 6.2), a hook and bumper shall be provided.
3.4.5 Fixed light assembly. Unless otherwise specified (see 6.2), the QAWTD shall be provided with a fixed
light assembly using clear glass for visibility and having the following characteristics:
a. Fixed light assemblies shall be of equal strength to maintain the tightness requirements and resistance to
damage of the QAWTD in which it is installed.
b. Fixed light assemblies leading to flammable liquids storerooms and flammable liquids issue rooms shall be
of heat-treated and shatterproof glass in accordance with MIL-PRF-2697.
c. Fixed light assemblies shall be in accordance with Drawing 803-6397269 in order to ensure
interchangeability with current Navy assets.
3.4.6 Sealing mechanism. QAWTDs shall provide a watertight seal through the mechanism of a knife-edge on
the QAWTD frame pushed into a gasket. The gasket shall be installed in the QAWTD panel. The knife-edge shall
be pushed into the gasket through a dogging mechanism that is activated by manually rotating a handle. A
watertight seal shall be obtained when the knife-edge is compressed into the gasket by at least 1/16 inch (1.7
millimeters). When the compression is more than 3/32 inch (3 millimeters), the handle force shall not exceed the
maximum allowable handle force (between and including 35 to 50 pounds) in accordance with ASTM F1166. This
means that the tolerance between the plane through the top of the knife-edge and the plane through the top of the
gasket shall be within ±1/64 inch (0.5 millimeter). Gaskets for closures in watertight boundaries shall be silicone
rubber in accordance with A-A-59588, Class 3B, Grade 30.
3.4.7 Door-swing.
3.4.7.1 Hinges. Hinges shall allow the QAWTD to open between 90 and 180 degrees, as specified (see 6.2).
3.4.7.2 Configuration (operation). Door-swing (i.e., left-hand or right-hand) designations are opposite that of
standard commercial practice. To determine door-swing, stand in the space that the QAWTD panel opens into. If
the hinges are located on the left side of the QAWTD, it is considered left-handed. If the hinges are located on the
right side of the QAWTD, it is considered right-handed.
3.4.8 Handle force. Handle force shall be between 35 and 50 pounds when the QAWTD is dogged and
undogged in accordance with ASTM F1166.
3.4.9 Special tools. The QAWTD shall be designed so that special tools are not required for installation and
maintenance. Special tools are defined as tools not listed in the General Services Administration (GSA) Federal
Supply Catalog.
4
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business