A-A-51586A
3 February 1987
SUPERSEDING
A-A-0051586 (DM)
2 September 1986
COMMERCIAL ITEM DESCRIPTION
RETRACTOR, GENERAL, SENN
The General Services Administration has authorized the use of this Commercial Item Description.
This commercial item description covers a retractor of the Senn-Kanavel design suitable for ear, nasal and general surgical procedures.
Salient characteristics.
Style and design. The retractor shall be of the Senn-Kanavel design with the proximal end of the instrument a slightly curved grip, and the distal end composed of three sharp prongs. The design and dimensions shall comply with Figure 1.
Material. The retractor shall be manufactured from Class 4 martensitic corrosion-resisting steel as specified in American Society for Testing and Materials (ASTM) Standard F899.
Hardness. The complete instrument shall be properly passivated and have a hardness of Rockwell C40 to C47 after stress relieving when tested in accordance with ASTM E18 or E92.
Finish. The instrument shall have a matte or satin finish. The finish shall be uniform and free from grind or tool marks.
Markings. The retractor shall bear the manufacturer’s name or registered trademark and the word “stainless”. Instrument of foregn manufacture shall bear the name of the country of manufacture.
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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