National Item Identification Number
National Stock Number
Federal Supply Class
An item specifically designed to pass an electrical cable or tube through a continuous structure with provisions for packing so as to prevent the leakage of liquids and/or gases through the opening. May include packing nut(s), adapter(s), washer(s), gasket(s), bushing(s), packing(s), cap(s), and/or plug(s).
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
MATERIAL DOCUMENT AND CLASSIFICATION
QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL