MIL-DTL-6054G
3.4.2 Locking ring. The locking ring shall be either Style 1 or Style 2 as specified (see 4.4.4.1 and 6.2).
3.4.2.1 Style 1 locking ring. The locking ring shall be of the nut and bolt type. The bolt shall be a commercial standard 3/8-16 UNC-
2A hex head with screw driver slot in hex head. The nut shall be a standard SAE hex nut or a commercial jam nut. Bolt heads and nuts
shall be of a size that is compatible with standard hand and power tools. Nut and bolt shall be zinc plated with tensile strength that meets
the test requirements of this specification. Provisions shall be provided for use of a metallic and wire tamper-proof seal (see 4.4.4.1).
3.4.2.2 Style 2 locking ring. The locking ring shall be a lever actuated type locking ring. The construction shall be
sturdy enough to develop sufficient tension to completely seal the closure and withstand all tests required by this specification. Provisions
shall be provided for use of a metallic and wire tamper proof seal (see 4.4.4.1).
3.4.3 Humidity indicator. When specified (see 6.2), the drum body shall have provisions for accepting a humidity
indicator conforming to SAE-AS26860, Type I, or Type II. The provision shall allow for a hermetic seal between the container body and
the indicator. The humidity indicator shall be located in the body at a point opposite the side seam and an equal distance between the hoops
of the drum. Other locations may be specified by the procuring agency (see 4.4.4.1, 4.5.1, and 6.2).
3.4.4 Handles. When specified (see 6.2), drums having an inside diameter of 22.5 inches or greater shall be equipped with two chest
type drop handles located in the upper one third of the drum and equally spaced around the circumference. Each handle assembly shall be
designed for the surface mounting with stops to hold the bail perpendicular to the mounting plate when in carrying position. The bail shall
have a minimum inside length of four inches and a minimum clearances of two inches from the bail perpendicular to the mounting plate.
When tested in accordance with paragraph 4.5.4, the handle assembly shall be capable of supporting loaded drums without permanent
distortion at extremities in excess of 1/4 inch from the horizontal (see 4.5.4).
3.4.5 Dimensions. Dimensions shall be in accordance with the applicable MS standards (see 4.4.4.2).
3.5 Finish.
3.5.1 Conversion coating. The interior and exterior surface of all drums, including the cover and locking rings, shall be clean by any
suitable process which are not injurious or incompatible with the conversion coating utilized (when required) for production of the end item
(see 4.3.1).
3.5.2 Protective coating. Unless otherwise specified, (see 6.2), coat all interior and exterior surfaces of the drum and component parts,
except the closing bolt and gasket, with a rust inhibiting coating that withstands salt spray test requirements (see 3.4.2.1 and 4.3.1). Unless
otherwise specified color shall conform to No. 24084 of FED-STD-595 (see 4.3.1 and 6.2).
3.5.2.1 Salt spray resistance. Results of the Salt Spray Test shall show no rust creepage, blistering, undercutting or loss of adhesion of
the paint beyond 1/8 inch of the scribe mark. All other surfaces of the test specimens shall show no more than a trace of film failure, (rust
grade 9 of ASTM D610), with none larger 1mm, (3/64 inch), in diameter (see 4.3.1).
3.6 Performance. The drums shall not leak when tested in accordance with 4.5.1, 4.5.2, and 4.5.3.
3.7 Container marking.
3.7.1 Bottom and top. The bottom and top of the drum shall be embossed in accordance with Figure 1 (see 4.4.4.1).
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