MIL-PRF-23950B(AS)
Table I. Composition.
Ingredients
Limits, percent by weight
Minimum
Maximum
Purity
98
---
Volatile @ 104°C (220°F)
--
0.2
Ether extractables
--
0.5
Table II. Physical properties.
Particle size
Average Particle Size (APS)
(Fisher sub-sieve size)
Type
Mesh
Percent
(µm)
Minimum
I
-325
99.9
4.5 - 9
II
-325
99.0
12.0 - 18.0
III
-200
100.0
25.0 - 30
-325
85.0
IV
-325
90.0
12.0 - 18.0
3.5 Workmanship. The material furnished under this specification shall be free from foreign
contaminates. It shall be uniform in quality and manufactured in accordance with standard
manufacturing procedures of the industry.
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classified
as follows:
a. First article inspection (see 4.3)
b. Conformance inspection (see 4.4)
4.2 Lot size. A lot shall consist of material produced by one manufacturer in one continuous
operation employing not more than one lot of each ingredient and with no change in formulation
or process. If manufacture is by batch process, batches may be combined to form a lot provided
not more than one lot of each ingredient and no change in formulation or process is used.
4.3 First article inspection. First article inspection shall consist of all of the conformance
inspections and requirements of this specification.
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