A-A-54133
Style, design and dimensions. The carvers shall be double-ended. The design and dimensions of the carvers shall conform to Defense Personnel Support Center (DPSC) Drawing No. 24601. Carvers shall be suitable for carving amalgam restorations and wax patterns.
Construction. One-piece instruments shall have an octagonal handle. The handle shall be serrated on seven faces and smooth on one face. The instrument identification shall be permanently and legibly marked on the smooth face.
Three-piece instruments shall have a round handle. The handle shall have a smooth portion and a finely serrated or diamond knurled portion. The instrument identification shall be permanently and legibly marked on the smooth portion. The shanks of the operative ends shall be permanently secured in the handle. The interface of the shank and handle shall be smoothly blended with no crevices evident. There shall be no movement, loosening, or separation between the operative end and the handle when the operative end is subjected to an 85 pound (minimum) pull out force.
Finish. The operative ends of the carvers shall have a sharp edge suitable for carving amalgam and wax patterns. The operative ends shall have a bright polished finish. The handles shall have a bright polished finish.
Corrosion-resistance. Corrosion resistance test in accordance with ASTM F1089 shall be applicable. The entire instrument shall meet the boil test requirement. Stainless steel parts shall meet the copper sulfate test requirement.
Identification marking. Carvers shall be permanently and legibly marked on the handle of the instrument. Marking shall include the name or registered trademark of the manufacturer or contractor, the instrument number, and the word “stainless”. As an alternate to the word “stainless”, the use of a registered trade name identifying the steel as stainless shall be acceptable, provided prior approval is received from the cognizant contracting officer. Instrument of foreign manufacture shall bear the name of the country of origin.
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