2000NF L22-575:2000 Aircraft bolts and nuts - Nuts, anchor, self-locking, floating, two lug, with counterbore, ISO M or ISO MJ threads, in steel, cadmium plated, MoS2 lubricated - Classification : 1 100 MPa (at ambient temperature) / 235 oC.
1977NF L22-575:1977 SELF-LOCKING ANCHOR NUTS,FLOATING TYPE,TWO LUGS,DEEP COUNTERBORE IN CADMIUM-PLATED 25 CD 4 S STEEL. ISO THREAD.