AN915 Rev 13
TABLE I. Material and finish code letters.
Material and
Protective chemical
Material
finish code
finish 3/ 4/
Copper alloy, type 377 forging in
accordance with ASTM B124/B124M
No code
or half hard forging or bar in
No finish.
1/
accordance with ASTM B138/B138M
or bar in accordance with
SAE-AMS4614.
Copper alloy, type 377 forging in
accordance with ASTM B124/B124M
BC
Cadmium in accordance with
or half hard forging or bar in
1/
SAE-AMS-QQ-P-416, type II, class 3.
accordance with ASTM B138/B138M
or bar in accordance with
SAE-AMS4614.
Type 304 corrosion resistant steel
forging or bar in accordance with
Passivate in accordance with
J
SAE-AMS-QQ-S-763 or
SAE-AMS2700, type VI or VII.
SAE-AMS5639.
Type 316 corrosion resistant steel
forging or bar in accordance with
Passivate in accordance with
K
SAE-AMS-QQ-S-763 or
SAE-AMS2700, type VI or VII.
SAE-AMS5648.
Type 321 corrosion resistant steel
forging or bar in accordance with
Passivate in accordance with
R
SAE-AMS-QQ-S-763 or
SAE-AMS2700, type VI or VII.
SAE-AMS5645.
Anodize in accordance with
T 3/
Titanium
SAE-AMS2488, type 2.
Type 7075-T73 aluminum alloy forging
in accordance with
Anodize in accordance with
SAE-AMS-QQ-A-367 or
SAE-AMS2472 or MIL-A-8625, type II,
W
SAE-AMS4141, or type 7075-T73
class 2; dye brown similar to color in
aluminum alloy bar in accordance with
accordance with FED-STD-595/10080;
2/
SAE-AMS-QQ-A-225/9, in accordance
duplex seal in accordance with
with type 7075-T7351 aluminum alloy
procurement specification.
bar in accordance with SAE-AMS4124.
Type 7075-T73 aluminum alloy forging
in accordance with
High purity aluminum in accordance
SAE-AMS-QQ-A-367 or
WV
with MIL-DTL-83488, class 3, type II
SAE-AMS4141, or type 7075-T73
with maximum coating thickness of
aluminum alloy bar in accordance with
2/
.0005 inch. Glass bead peen pressure
SAE-AMS-QQ-A-225/9, in accordance
shall be 25 psi (1.72 bar) maximum.
with type 7075-T7351 Aluminum alloy
bar in accordance with SAE-AMS4124.
1/
Material code was dash on previous revisions, changed to agree with SAE-ARP1590.
2/
Aluminum code D is canceled; use code W.
3/
Titanium and cadmium shall not be used in oxygen systems.
4/
Cadmium shall not be used in potable water systems.
3
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