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)

1. SCOPE

METHOD 2J1

BOF TUBE END SEALING

1.1 Scope. This method describes the procedures for sealing the ends of empty

BOF tubes in tube routing boxes, fiber optic interconnection boxes and equipment.

2. REQUIRED EQUIPMENT AND MATERIALS.

2.1 The equipment and materials in the tables located in the applicable sections of this method shall be used to perform these procedures.

3. PROCEDURES

3.1 Safety summary. The following safety procedures shall be observed:

a. Observe warnings and cautions on equipment and materials.

b. Never look into the end of a BOF tube. Always wear approved safety glasses when handling BOF tubes that may be connected to a pressure source.

3.2 Procedure.

3.3 The equipment and materials in table 2J1-I shall be used to perform this procedure.

TABLE 2J1-I. Equipment and materials.

Description

Quantity

Safety glasses

Tube coupler (AA59731-U-8 or AA59731-U-8E)

As required

Tube coupler plug (AA59728-TFP-8)

As required

Tube end cap (AA59731-EC-8)

As required

Wipes

As required

NOTE: Keep BOF tube couplers and the ends of BOF tubes clean and free of contaminants.

NOTE: BOF tube couplers may be cleaned using distilled water and blown dry with air. Do not clean or soak BOF tube couplers in alcohol or other cleaning agents. BOF tube couplers can be permanently damaged by exposure to alcohol and cleaning agents.

NOTE: Previously used BOF tube couplers may not adequately seal to BOF

tubes. When installing BOF cabling, always use new BOF tube couplers.

Step 1 - Verify that the procedures of Method 2I1-1 or Method 2I1-2 of this standard practice have been completed.

Step 2 - Determine if the other end of the BOF tube has been end sealed in accordance with this method. If the other end of the BOF tube has been end sealed, verify the integrity of the end seal in accordance with Method 6J1 of this standard.

2J1-1 METHOD 2J1