A-A-54317
25 January 1991
COMMERCIAL ITEM DESCRIPTION
RETRACTOR, MASTOID (Pediatric, 4-Inch, Wullstein)
The General Services Administration has authorized the use of this commercial item description.
This commercial item description covers a pediatric size mastoid retractor of the Wullstein style suitable for use in surgical procedures.
Salient characteristics:
General. The retractor shall be a self-retaining ear retractor of the Wullstein style with 3-vs-3 blunt prongs and an overall length of 4 inches.
Material. The material shall be Class 4 corrosion-resistant steel in accordance with ASTM Designation F899.
Hardness. The retractor shall have a Rockwell Hardness C Scale (HRC) of 40 to 47 when tested in accordance with ASTM E18 or E92, whichever is applicable. Conversion of hardness values shall be in accordance with ASTM E140.
Style, design and dimensions. The retractor shall be in accordance with Defense Personnel Support Center (DPSC) Drawing No. 22222 for style, design and dimensions.
Finish. The retractor shall have a mirror, satin, or matte finish. The matte finish shall exhibit a uniform non-directional surface texture equivalent to that produced by lightly blasting the prepared surface with fine abrasives under pressure.
Passivation. The retractor shall be properly passivated.
Corrosion resistance. The retractor shall show no evidence of corrosion or plating of copper when tested in accordance with ASTM F1089.
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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