AN6027 Rev 5
A
Size
B
C
Size code
Fitting
±.005 (0.13)
inch (mm)
inch (mm)
inch (mm)
inch (mm)
-1
SAE-AS5201
.25 (6.35)
1.743 (44.27)
.562 (14.27)
.438 (11.13)
-2
SAE-AS4395
4 (101.60)
1.731 (43.97)
.550 (13.97)
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NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. Unless other specified tolerances are ±.010 inch.
4. Break all sharp edges to provide minimum radius of .010 inches.
5. Surface roughness shall be in accordance with ASME B46.1. Unless otherwise specified
maximum roughness shall be 63.
FIGURE 1. Coupling half, quick disconnect - Continued.
REQUIREMENTS
Dimensions and configuration shall be in accordance with figure 1.
This coupling half is designed for use with MIL-PRF-7891 filler valve.
Material low carbon steel SAE No. 1213 (UNS G12130) in accordance with SAE-J403 or 12L14 in
accordance with ASTM A29/A29M.
Heat treat: Heat treat .003 - .008 inch (0.08 - 0.20 mm) effective case depth temper to surface
hardness " file hard" 60+ HRC equivalent in accordance with SAE-J864.
Finish: Zinc coating in accordance with ASTM B633, type IV, SC 4.
Oxygen systems for aerospace, shipboard, and ground support equipment. Parts for use on oxygen
systems shall be identified in the PIN as code "A" and shall be furnished cleaned, packaged, and
labeled in accordance with SAE-AS611 to a process approved by the user.
Part or Identifying Number (PIN): The PIN consists of the letters "AN", the specification sheet
number, dash number for ID hose sizes, and a code letter for material type and finish, and blank or
"A" for oxygen cleaning requirements. Unassigned PIN's shall not be used.
AN6027
-1
A
Blank or "A" for oxygen systems
Fitting size, see figure 1
Specification number
AN prefix
2
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