MIL-DTL-5521C
3.7 Chemical composition. The leather upon analysis shall conform to the chemical composition given in
Table 1 when tested in accordance with paragraphs in Section 4 headed as follows:
a. Grease (see 4.6.6)
b. Chlorides (see 4.6.7)
c. Sulfates (see 4.6.8)
d. Ash (see 4.6.9)
e. Chromic oxide (see 4.6.10)
DUMB-BELL SPECIMEN
FOR TENSILE TEST
THIS LINE OF TRIM SHALL
EXCLUDE SHOULDER WRINKLE
C OF BACK BONE
L
WRINKLES (REF.)
Z
X
C
A
HEAD
18" (45.7 cm)
SPECIAL
BACK
J
T
S
BELLY
FORE SHANK
FIGURE 1a. 1/2 Hide-Showing Trim of Special Back
BELLY
SPECIAL
BUTT BEND
HEAD
X
Y
Z
B
A
J
T
S
FORE SHANK
BELLY
DUMB - BELL SPECIMEN
FIGURE 1b. Hide-Showing Trim of Special Butt Bend
4
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