Fasteners. Refer to Chapter 7, TM 1-1500-20423-10, for the application of cowling fasteners and
a. Dzus Fasteners. The Dzus fastener consists of a stud, a grommet, and a receptacle. The stud and grommet
installation is shown in figure 2-59 and figure 2-60 shows a typical Dzus fastener installation.
b. Camloc. Each Camloc fastener consists of three parts: cam collar, grommet, and stud assembly, as shown in
Figure 2-60. Dzus Fastener
Figure 2-61. Camloc Fasteners
Figure 2-59. Stud and Grommet Installation
Cam collar. The cam collar consists of an aluminum alloy forging mounted in a stamped sheet
metal base. It is permanently attached to the structure by means of a dimpled or countersunk hole which prevents the
collar from extending above the mounting surface.
Grommet. The grommet is a flanged ring made to fit into a dimple in the removable member of
Stud assembly. The stud assembly consists of a stud, cross pin, spring, and a spring clip. This
factory-assembled component shall not be disassembled. The assembly is inserted into the grommet by compressing
the spring. The spring must be compressed in order to get the stud assembly out of the grommet.
c. Dill Lok-Skru. Dill Lok-Skru as shown in figure 2-62 is a cowling fastener used for quick removal and