National Item Identification Number
National Stock Number
Federal Supply Class
An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and SPRING, REINFORCING, HOSE.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
MATERIAL DOCUMENT AND CLASSIFICATION
187,UNITED AIRCRAFT CORP,PRATT AND WHITNEY AIRCRAFT DIV MFR REF S