MIL-DTL-28748/10G
Polarization positions - Jackscrew.
Polarization 1/
Jackscrew
Type
(see table I)
1
N
1
V
1
W
Supplied with connector
2
X
2
Y
2
Z
1
N
1
V
Not supplied with connector
1
W
polarizing boss
2
X
threaded internally
2
Y
.250-28 UNF-2B
2
Z
1/ Large opening in polarization boss must be adjacent to polarization
letter on connector body.
Polarization positions - Guide pin.
Polarization 1/
Guide pin
Type
(see table I)
1
N
1
V
1
W
Supplied with connector
2
X
2
Y
2
Z
1
N
1
V
Not supplied with connector
1
W
polarizing boss with
.254 ± .002 (3.66 ± .051 mm) inch
2
X
2
Y
I.D to accept guide pin
2
Z
1/ Large opening in polarization boss must be adjacent to polarization
letter on connector body.
Insert with through mounting hole configuration E.
Insert with mounting sleeve configuration N.
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for general information only.
3. Unless otherwise specified, tolerances are ±.02 inch (0.51 mm) for two place decimals. and ±.015 (0.38 mm) inch for three
place decimals.
4. Tolerance between any two adjacent contact centers shall be ±.004 inch (0.10 mm). Tolerance between any two contact
centers, other than adjacent contacts, shall be ±.006 inch (0.15 mm).
5. Dimensions symmetrical about centerlines.
6. Contact identification may be located on either side of the contact hold but shall appear on the front and rear face of the
contact insert.
7. Flatness, squareness, and parallelism shall be within dimensional tolerances.
8. Maximum insertion and withdrawal force (connector assembly) shall be 75 lbf (334 N).
9. Maximum torque required at jackscrew to properly engage or disengage connector shall be 6 in lbf (0.68 N m).
10. Jackscrew wrench size 5/32 hex.
FIGURE 7. Insert configuration Insert with 80 positions - Continued.
12
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