FF-N-836 Military Specifications Fasteners

Mil spec F-N-836 covers cap, castle, hexagon, knurled, slotted, square, welding and single ball seat nuts.

Type I – Nuts, square

Style 1 – Regular
Style 2 – Heavy
Style 3 – Machine screw

Type II – Nuts, hexagon

Style 4 – Plain
Style 5 – Jam
Style 6 – Thick
Style 7 – Flat
Style 8 – Flat jam
Style 9 – Heavy flat
Style 10 – Heavy flat jam
Style 11 – Heavy
Style 12 – Heavy jam
Style 13 – Machine screw

Type III – Nuts, cap

Style 14 – High crown
Style 15 – Low crown

Type IV – Nuts, slotted

Style 16 – Plain
Style 17 – Thick
Style 18 – Heavy

Type V – Nuts, plain, castle

Type VII – Nuts, plain, knurled

Type VIII – Nuts, welding

Style 19 – Without pilot
Style 20 – Pilot

Type IX – Nuts, plain, single ball seat, hexagon