MIL-DTL-85547C (OS)
First article sample
36 igniters
12 igniters
12 igniters
12 igniters
Radiographic
Radiographic
Radiographic
4.5.1
4.5.1
4.5.1
Visual
Visual
Visual
4.5.2
4.5.2
4.5.2
Vibration
Static-firing
Detail strip
4.5.4
4.5.6
4.5.3
Shock
4.5.5
Radiographic
4.5.1
Visual
4.5.2
Static-firing
4.5.6
FIGURE 1. First article inspection.
4.5.4 Vibration. The igniters shall be preserved in plastic bags in accordance with 5.1. Two bags of
igniters shall be packed in the Smokey SAM shipping container in accordance with Drawing 1335AS290.
The igniters shall be subjected to a vibration test with 12 GTR-18A rockets (see MIL-R-85545 and
Drawing 1335AS280) (or 12 dummy rockets that simulate the GTR-18A weight configuration approved
by the acquiring activity) in the shipping container. The shipping container shall be banded with strapping
in accordance with Drawing 1335AS290. While in the shipping configuration, the igniters shall be
subjected to the vibration test of MIL-STD-810, method 514.5, category 4 per table 514.5-I. Vibration test
levels given in figures 514.5C-1 through 514.5C-3 shall be used. Test time shall be based on a
transportation of 3000 miles.
4.5.5 Shock. The igniters shall be removed from their bags and shipping containers for this test. The 6-
foot drop test shall be conducted in accordance with MIL-STD-810, method 516.5, procedure IV. Drop
height shall be measured from the lowest point of the test item to the impact plane. One-third of the
igniters shall be dropped with the primer end down, one-third with the primer end up, and one-third with
the longitudinal axis parallel to the impact plane. Drop orientation of the igniters shall be required at the
drop point only.
4.5.6 Static-firing. Static-firing shall be performed at ambient conditions. A test fixture, equipped with a
firing pin capable of producing an indentation not less than 0.015 inch without rupture in the igniter
primer, shall be used to perform this test. The igniter shall be inserted into the test fixture in a vertical
position, cartridge down. The igniter shall be fired by hitting the percussion primer. Ballistic test
5
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