MIL-DTL-48568D(OS)
4. VERIFICATION
4.1 Classification of inspections.
a. First article inspection (see 4.3)
b. Conformance inspection (see 4.4)
4.2 Inspection conditions. Unless otherwise specified in the contract or purchase order (see 6.2), inspection
conditions shall be as follows:
a.
Temperature: Room ambient 65 to 95 F
b.
Altitude: Normal ground
c.
Vibration: None
d.
Humidity: Room ambient to 95 percent relative, maximum
4.3 First article inspection. Unless otherwise specified in the contract or purchase order (see 6.2), a first
article sample shall consist of three blocks of cured propellant, two sleeve and grain assemblies, and eighteen
loaded catapult assemblies. The rocket catapult assemblies shall be adapted for pressure transducers (see 6.7)
and all first article samples shall be manufactured using the same methods and procedures proposed for
production. The first article samples shall be subjected to the tests of 4.4, with the exception of the test firing
of 4.4.5, followed by environmental testing, radiographic examination, and static firing in the sequence
specified in table III. Acceptance of the first article sample shall be based on no defects in the sample. Any
production of the rocket catapult assemblies by the contractor prior to approval of the first article samples
shall be at the contractor's risk. First article samples shall not be included as part of the quantity specified for
delivery in the contract (see 6.2).
TABLE III. First article evaluation test program.1/
Unit Number
Test
Para.
Test
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
4.4.6.1
Radiographic insp.
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
4.3.1.1
High temperature
b
b
b
b
b
b
4.3.1.2
Vibration 65 F
b
b
b
4.3.1.2
Vibration 165 F
b
b
b
4.3.1.4
30-day storage 65 F
b
b
b
4.3.1.4
30-day storage 165 F
b
b
b
4.4.6.1
Radiographic insp.
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
4.3.1.3
Temperature shock
d
d
d
d
d
d
d
d
d
d
d
d
4.4.6.1
Radiographic inspection
e
e
e
e
e
e
e
e
e
e
e
e
4.3.2
Ballistic test 65 F
f
f
f
f
d
d
4.3.2
Ballistic test 70 F
f
f
f
f
d
d
4.3.2
Ballistic test 165 F
f
f
f
f
d
d
1/ Letters denote sequence of testing.
8
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