A-A-50219
for maintainability. Special tools that are required shall be provided by the contractor. The machine shall be complete so that when installed and connected to the power source, it can be used for any operation for which it was designed. Construction shall be such that the unit will retain its performance and accuracy, and function properly when operated at its maximum functional
capacity.
Materials and workmanship. Materials shall meet ASTM specifications where applicable for the purpose intended. Workmanship in construction and finish shall be of high quality and consistent with industry standards. The machine shall be constructed of parts which are sound in structure and free from any repair. All parts shall be new and unused. Castings, forgings, molded parts, stampings, and welded parts shall be cleaned and free from sand, dirt, fins, sprues, scale flux, and other harmful or extraneous materials. External surfaces shall be smooth and all edges shall be
either rounded or beveled, except where a sharp edge is required by design.
Essential safety features. The machine shall be fitted with suitable devices and covering or guards to provide protection from electrical shock and moving parts such as gears, belts, pulleys, and other parts which may present a hazard. All guards shall be designed to provide ready access to the guarded parts. All controls shall be within convenient reach and vision of operator in
his normal operating position. The lathe shall meet all applicable OSHA requirements. The machine shall be provided with a prominently located warning sign which cautions the operator about unsafe operating practices. MIL-STD-1474, 4.3 and 5.1 shall apply.
Lubrication requirements. All bearings (except sealed-for-life type), mating gears, and sliding parts shall be provided with a means for lubrication. All oil holes, grease fittings, and filler caps shall be easily accessible. A lubrication chart or plate shall be securely attached to the unit. The chart
shall be made of black anodized aluminum with white nomenclature/letters or other similarly durable material and shall be permanently attached to the unit, lettering in accordance with MIL-STD-1472,
5.5. The chart or plate shall provide the following information.
POINTS OF LUBRICATION SERVICE INTERVAL
TYPE OF LUBRICATION VISCOSITY
Standard Commercial Product. The above salient characteristics are set forth as minimum requirements. The lathe shall be in accordance with these minimum requirements and shall be the manufacturer's standard commercial product. Additional or better features which are not ' specifically prohibited by this description but which are a part of the manufacturer's standard commercial product, shall be included in the lathe being furnished. A standard commercial product is a product which has been sold or is being currently offered for sale on the commercial market through advertisements., manufacturer's catalogs, or brochures, and represents the latest
production model. It shall have been in production, marketed, and in use for a minimum of one year. The introduction of normal product improvements will be considered by the procuring agency upon
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