MIL-DTL-83522/16C
NOTES:
1.
Dimensions are in millimeters.
2.
Inch equivalents are given for general information only.
3.
Use A (SM/MM) for single mode applications. Use A (SM/MM) or A (MM) for multimode applications.
4.
L dimensions is the diameter of a circle on the surface of the ferrule that is concentric with the axis of the
ferrule.
5.
Design optional.
6.
R dimension is for reference of conceptual design considerations only. This dimension is the radius of the
end of the ferrule when the surface of the ferrule is spherical, and L is as given.
7.
X dimension is the distance that the apex of the end of the ferrule extends beyond the circle described in
note 4.
8.
a angle to be between 20° and 35°.
Part or Identifying Number (PIN) is a new term encompassing previous terms used in specifications such as
part number, type designator, or identification number and is as follows:
M83522/16
X
X
X
X
Configuration:
A (locking boot, long cap)
Configuration
D (nonlocking boot, either long or short cap)
E (protective cover)
F (90 degree boot, either long or short cap)
Temperature
Temperature:
H (high)
N (normal)
Fiber size
Fiber size:
X (type I) (125 µm, MM)
Y (type II) (125 µm, MM/SM)
Z (type I) (140 µm, MM)
Additional
Additional consideration:
considerations
S qualified to space flight requirements
NOTE: Cap refers to the bayonet cap or ST connector outside metal housing. Barrel refers to interior metal part
that supports the ferrule and crimp sleeve.
REQUIREMENTS:
Metals: The plug housing and other metal components shall be of corrosion resistant steel in accordance with
SAE-QQ-S-763, class 303/316L or ASTM A-276, designation S31803, or nickel-plated brass, alloy 345 or 360,
in accordance with ASTM B-16/B16M.
Ferrule material: Ceramic (zirconia).
The dust cover, strain relief boot, and protective cap shall be made of thermoplastic or fluorosilicone.
Epoxies: Use an epoxy approved by the qualifying activity.
Dimensions and configuration: See figure 1.
Fiber optic cable requirements:
Cable configuration: In accordance with MIL-PRF-85045.
Fiber diameter: 50/125 µm, 62.5/125 µm, and 100/140 µm, with the following respective tolerances:
125 ± 2 µm (MM), 125 ± 1 µm (MM/SM), 140 ± 2 µm (MM).
3
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