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CAGE Code 06324

712-416 • PEEK Only

Composite Straight Backshell Adapter for

MIL-DTL-38999 Series lll and IV Fiber Optic Connectors

Knurl Style, Manufacturer's Option

A Thread

(Table II)

Compression Nut

for PEEK Conduit

Anti-Rotation

Device

2.00

(50.8)

Max

B Max

C Entry

Diameter

.125 (3.2) Dia Drain Hole Option

(See Part Number Development)

TABLE II: SHELL SIZE

Shell

Size

A Thread

ISO Metric

B

Max

11

M15 x 1 - 6H

.980 (24.0)

13

M18 x 1 - 6H

1.160 (28.4)

15

M22 x 1 - 6H

1.280 (32.5)

17

M25 x 1 - 6H

1.410 (35.8)

19

M28 x 1 - 6H

1.520 (38.6)

21

M31 x 1 - 6H

1.640 (41.7)

23

M34 x 1 - 6H

1.770 (43.4)

25

M37 x 1 - 6H

1.890 (48.0)

TABLE I: FINISH

SYM

MATERIAL

FINISH

XM

Composite

Electroless Nickel

XW

Composite

Cadmium O.D. Over

Electroless Nickel

XO

Composite

No Plating–Base

TABLE III: PEEK TUBING

SIZE

Dash

No.

Fractional

Size

C Entry

Dia

06

3/16

.100 (2.5)

09

9/32

.171 (4.2)

12

3/8

.265 (6.7)

16

1/2

.390 (9.6)

20

5/8

.515 (12.6)

24

3/4

.640 (15.7)

28

7/8

.765 (18.7)

32

1

.890 (21.8)

APPLICATION NOTES

1. Metric dimensions (mm) are in

parentheses and are for reference only.

2. Material:

Adapter, Coupling and Compression

Nuts - High-Grade

Engineering Thermoplastic.

O-Ring - Fluorosilicone or Silicone.

Anti-Rotation Device: Corrosion

Resistant Material.

3. Unless otherwise specified, the backshell

body to be supplied finished per Table I.

All other components to be supplied

without plating.

Product Series

Connector Designator

MIL-DTL-38999, Series III & IV

Configuration

Basic part Number

712 H S 416 XO 17 16 D

D = Drain Hole

(Omit for None)

Conduit Size (See Table III)

Shell Size (See Table II)

Finish (See Table I)