2000NF L22-570:2000 Aircraft bolts and nuts - Nuts, anchor, self-locking, 60 o corner, with counterbore, ISO M or ISO MJ threads, in steel, cadmium plated, MoS2 lubricated - Classification : 1 100 MPa (at ambient temperature) / 235 oC.
1978NF L22-570:1978 SELF-LOCKING ANCHOR NUTS,60 DEGREES ANGLE,DEEP COUNTERBORE IN CADMIUM-PLATED 25 CD 4 S STEEL. ISO THREAD.