Body - Fiberglas impregnated with silicone or chloroprene (See noie 3). Spring s W helix and fiberglass cordage.
Ends - Soft - Same as Body without wire or cordage.
AIA/NAS NAS 1126-2001 history
2001AIA/NAS NAS 1126-2001 Screw, Machine-Flat Filister Head, Close Tol., Short Thread, Offset Cruciform Rev. 13; FSC 5305