MS20762B
Surfaces. All machined surfaces shall be finished to 250 ยตin Ra (.00635mm), unless otherwise specified.
Fitting surface shall be free of all burrs and slivers.
Part or Identifying Number (PIN): The PIN consists of prefix "MS" the specification sheet number, and a dash, a letter for material/finish and size code. Unassigned PIN's shall not be used.
Example of PIN: MS20762W32
Basic part identifier Material/finish (See table III) Size (See table II)
MS20762 W 32
Marking. The complete PIN shall be permanently marked on an unfinished surface.
Guidance on use of alternative parts with less hazardous or nonhazardous materials. This specification provides for a number of alternative plating materials via the PIN. Users should select the PIN with the least hazardous material that meets the form, fit and function requirements of their application.
Supersession data: Aluminum alloys 2014 and 2024 "D" designator is inactive for new design. For new design use aluminum alloy 7075 "W" designator.
Changes from previous issue. Marginal notations are not used in the revision to identify changes with respect to the previous issue due to the extensiveness of the changes.
Referenced documents. In addition to SAE AS4875, this document references the following:
ASTM B633 |
MIL-DTL-81706 |
FED-STD-595/36170 |
SAE-AS4395 |
ASTM B695 |
FED-STD-595/36076 |
FED-STD-595/36173 |
SAE AS8879 |
ASTM F1136/F1136M |
FED-STD-595/36081 |
FED-STD-595/36176 |
SAE-AMS-QQ-P-416 |
ASME Y14.5 |
FED-STD-595/36099 |
SAE-AMS2417 |
SAE-AMS-C-81562 |
MIL-DTL-5541 |
FED-STD-595/36118 |
SAE-AMS2486 |
|
MIL-A-8625 |
FED-STD-595/36134 |
SAE-AMS2488 |
|
MIL-DTL-16232 |
FED-STD-595/36152 |
SAE-AMS2700 |
CONCLUDING MATERIAL
Custodians: Preparing activity: Army - AV DLA - CC
Navy - AS
Air Force - 99
DLA - CC (Project 4730-2012-088)
Review activities: Army - AR
Navy - MC, SA Air Force - 71
NOTE: The activities listed above were interested in this document as of the date of this document. Since organization and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https://assist.dla.mil.
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