MIL-STD-2042-2 Fiber Optic Cable Topology Installation Standard Methods For Naval Ships Equipment Part 2 Of 7 PartsThis standard provides detailed methods for the installation of fiber optic cable topology equipment see 3.16, and optical fiber cable entry to fiber optic cable topology and other equipment.

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MIL-STD-2042-2B(SH)

Step 2 - WARNING: Wear safety glasses during deburring to avoid possible eye injury.

Inspect the hole in the enclosure and remove any burrs or irregularities using the deburring tool.

Step 3 - Fors teel enclosures where the roughness is greater than a 125 microinch finish (not required on aluminum enclosures), remove the paint using a paint scraper and clean the surface with emery paper approximately 13 mm (0.5 inch) wide around the hole on the exterior of the enclosure. Apply one coat of primer, and allow to set. Dust coat the surface with talc if the primer is not thoroughly dried at the

time of the tube installation. Remove the cover and proceed to step

4, 5 or 7 below, as applicable.

Step 4 - With straight tubes, insert the stuffing tube body into the hole from the inside of the enclosure (see figure 2A1-1). If necessary, remove the interior fitting from enclosure. Proceed to step 6 below.

Straight tube

ASTM F 1836M/1 (applies to angle tubes)

Typical enclosure wall thickness

4.5 mm max.

Ship structure

End of cable jacket not required to be flush with end of bushing

Body

Washer retainer

Clearance hole

Locknut

"0" Ring

Slip washers

Bushing

Cap

Cable

FIGURE 2A1-1. Straight tube.

2A1-3 METH0D 2A1