English Extract of AMS-DTL-22499
Please note: This is an extract of the original document and is destined to be used as a general overview for AMS-DTL-22499.
AMS-DTL-22499
Composition 1 - Aluminium alloy
Composition 2 - Brass
Composition 3 - Corrosion resisting steel
Composition 4 - Carbon steel
Types:
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Type I: All laminations
Type II: One-half solid shim stock
Classes:
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Class 1: 0.002 inch laminations
Class 2: 0.003 inch laminations
Construction and dimensions according to AMS-DTL-22499:
tolerance of width and length: 1/8 inch
thickness of finished shim stock according AMS-DTL-22499: Table II
laminations tolerance class: 1 or 2: 0,0002'' resp. 0,0003''
thickness of bond: 0,0003''
peel-test limits: specimen of size 1 by 12 inches: minimum 1 pound maximum 5 pounds (see ASTM D 903.)
First article inspection according to AMS-DTL-22499:
2 x specimen / sample size: one inch × 12 inch strips of him stock
after cure or minium time of 8 hours after production (whichever comes first) test for peel quality: during peeling the laminations shall peel without separation of the remaining portion.
the thickness of the single laminations (+ / - 0,002'' respectively 0,003'') and the bond layer (maximum 0,0003'').
Peel strength testing according ASTM D 903.
Quality conformance inspection according to AMS-DTL-22499:
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Lot definition and consistance: same composition, type and class, nominal size and lateral dimensions. Manufactured under essentially the same conditions and submitted for acceptance at the same time.
Samples: statistical sampling according to ANSI/ASQC Z1.4
Verfiy: examination visual and dimensional compliance with the specification (s.o.).
Material inspection: deliver certificate of materials according to the Mil- specifications relevant for the respective material. (see AMS-DTL-2299 2.4)
Workmanship: clean, uniform in quality, free of defects causing reason for functional mal-performance.