AN929 Rev 13
REQUIREMENTS:
Dimensions and configurations: See figure 1.
The part is a 2-piece assembly consisting of an AN818 nut and an insert as specified herein, see
figure 1.
Material: See table I herein, procurement specification SAE-AS4841.
TABLE I. Material cap assembly.
Cap insert assembly AN929
Nut AN818 2/
Material
Material
Material
Alloy
Material
Alloy
designator
designator
F
Steel
4130 or 4140
Blank
Steel
4130 or 4140
J
CRES
304
J
CRES
304
K
CRES
316
K
CRES
316
S
CRES
347
J or K
CRES
304 or 316
T 1/
Titanium
64AI-4V
T
Titanium
64AI-4V
W
Aluminum
7075-T73
W
Aluminum
7075-T73
1/ Not for use with oxygen systems.
2/ Material designator for manufacturers use only to determine proper AN818 nut to use
for the cap insert assembly.
Finish: See SAE-AS4841.
Part or Identifying Number (PIN): The PIN consists of the AN prefix, specification sheet number, a
dash or "A", a number for assembly size, a blank or "L" for lock wire and a letter for material
designator's, see left hand side of table I.
AN929
-
L
8
W
Material code "W" for al alloy 7075-T73 (see table I).
Assembly size (see figure 1).
Blank, or "L" - drilled for lockwire.
Dash "-" or use "A" for cap drilled for use with a safety chain.
Specification sheet number.
PIN Examples:
AN929-8W identifies a cap assembly .500 inch (tube), aluminum.
AN929-L8J identifies a cap assembly .500 inch (tube), nut drilled for lockwire, CRES 304.
AN929A8S identifies a cap assembly .500 inch (tube), insert drilled for attachment of safety chain,
CRES 347.
AN929AL8J identifies a cap assembly .500 inch (tube), nut drilled for use with a safety chain, and
lock wire, CRES 304.
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