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Grommet Press Installation
INTERLOCKING SLIDE FASTENERS

Aircrew Survival Equipmentman 2 - Aviation theories and other practices
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239.377 Figure 10-13.—Glove fasteners. eyelet, as illustrated in figure 10-13. The socket and button are matched to form the snap. The stud and eyelet form the part to which the socket and button snap. 239.303A Figure 10-14.—Durable dot fastener installation. Press Installation Cut a hole the size of the collar of the button and insert the button in the material. Place the correct chuck and die into either a foot-or hand- operated press, as shown in figures 10-6 and 10-7. The die is the lower and the chuck is the upper tool, as shown in figure 10-14. Fit the socket to the chuck, as shown in figure 10-14. Lay the button in the die and complete the attachment by depressing the handle or foot pedal. Cut the proper size hole in the material to receive the eyelet. Place the correct chuck and die in the press. Insert the collar of the eyelets through the hole from the back of the material. Fit the stud into the chuck. Lay the eyelet on the die and complete the attachment. Hand Installation Cut a hole the proper size for the collar of the glove fastener button. Insert the button in the material and place the socket over the collar of the button. Make an indentation in a wooden 239.378 Figure 10-15.—Flaring button collar. block for holding the head of the button. Flare the collar of the button slightly with a center punch, as shown in figure 10-15. Flatten the collar of the button with a solid drive pin punch. Assemble and install the stud and eyelet on the other pieces of material so the base of the eyelet is on the backside of the material. Flare and flatten the collar of the eyelet in a manner similar to the installation of the button and socket. THREE-WAY LOCKING FASTENERS There are times when you need to use a snap fastener that has extra security. When you must have this type of fastener, you should use either the three-way locking snap or the curtain fastener. THREE-WAY LOCKING SNAPS The three-way locking snap is stocked in one size only—regular. It is used on fight clothing, 10-14







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