A-A-50752 Test Kit, PenetrantThis commercial item description CID establishes government acquisition requirements for a penetrant test kit, which contains the components necessary for testing new and in-use penetrant materials to determine the degree of contamination/degradation of these materials. The process control inspection verifies the performance characteristics of the materials and their suitability for use in the penetrant inspection process.

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A-A-50752A

SHUT-OFF VALVE

60° ±1°

AIR SUPPLY TUBING

90° ±1°

TO AIR SUPPLY

STOPPER

NOZZLE FULL JET TYPE M, 1/4 G

BOTTLE SCREW CAP

WATER OUTLET TUBING

1/2"

FIGURE 1. Water washing apparatus set-up.

2.1.5 Bottle screw cap. The screw cap shall screw onto the one-gallon fluid container (see 2.1.3). The screw cap shall secure the stopper (see 2.1.4) to the bottle's orifice while providing apertures for two sections of copper tubing inserted through the stopper into the bottle (see figure 1).

2.1.6 Spray nozzle. The spray nozzle shall be a full jet type M, 1/4 G.

2.1.7 Shut-off valve. The valve shall be capable of regulating the supply of water to the spray nozzle (see 2.1.6). The shut-off valve shall be capable of making a watertight connection with 1/4 inch (6.35 mm) inside diameter by 5/16 inch (7.9 mm) outside diameter copper tubing (see figure 1).