
Balls, Bolts, Bumpers, Bushings, Caps, Clamps, Clevises, Clips, Fasteners, Fittings, Gaskets, Grommets, Inserts, Keys, Nuts, Pins, Plates, Plugs, Retainers, Rings, Rivets, Screws, Seals, Seats, Spacers, Springs, Staples, Straps, Studs, Tips, and Washers.
| Part Number Ranges | Finish Codes | Finish Suffixes |
|---|---|---|
|
20000-24999 = Bolts 25000-31999 = Machine Screws 33000-34699 = Nuts 34700-34974 = Lock Washers 34975-34999 = Nuts 35000-39499 = Machine Screws 39500-40599 = Thread Formers 40600-41999 = Thread Cutters 42000-42639 = Tapping Screws 42640-42909 = Machine Screws 42910-43239 = Bolts 43240-43599 = Machine Screws 44700-44999 = Washers 45000-45199 = Spring Nuts 45200-45299 = Stamped Nuts 45300-45399 = Nuts 45600-49999 = Bolts 50000-51049 = Machine Screws 51050-53799 = Thread Cutters 53800-55665 = Machine Screws 55666-55859 = Nuts 55960-56099 = Tapping Screws 56100-56499 = Bolts 56900-56999 = Tapping Screws 57000-57999 = Machine Screws 58000-59999 = Bolts 60000-69999 = Rivets 72000-72199 = Cotter Pins 72200-72300 = Grooved Pins 72900-73399 = Straight Pins 73700-73799 = Taper Pins 73800-74099 = Clevis Pins 74100-74199 = Expansion Plugs 74200-74299 = Retaining Spring Clips 76000-76999 = Clevis Pins 87000-87999 = Fittings 87000-87199 = O-Rings 88350-88999 = Studs 89000-91999 = Set Screws 92000-92099 = Tapping Screws 93000-93999 = Studs 95000-95499 = Snap Studs & Items 95500-95999 = Nylon Straps 97000-97199 = Clevis Pins 97200-97399 = Clamps 97400-97799 = Snap Rings 300000-300499 = Machine Screws 300500-301379 = Bolts 301380-302314 = Machine Screws 302315-305999 = Bolts 306000-306499 = Machine Screws 350000-399999 = Special Parts |
S = Plain S2 = Raven (Phosphate & Oil) S3 = Black Japan S4 = Raven (Phosphate & Oil) and black paint S5 = Copper plate S6 = Nickel Plate S7 = Cadmium plate S8 = Zinc plate S7-8 = Cadmium-Zinc S9 = Zinc plate (Bright) S10 = Tinned S11 = Copper Coat S12 = Lacquer to match trim S13 = Chrome plated (Interior Parts) S14 = Nickel plate - Butler finish S15 = Black Oxidized S16 = Lead plate S18 = Case hardened S20 = Cement Coat S21 = Lacquer for identification S23 = Rustless (Stainless) steel - head polished S26 = Cadmium or zinc plate and enamel S27 = Screw blank S28 = Sterile coating Following finishes offer additional corrosion resistance: S32 = Black paint or zinc chromate primer S34 = Case hardened cadmium finish S35 = Zinc coat S36 = Zinc plate and Dichromate S37 = Chrome plated (Exterior Parts) S38 = Raven finish S39 = Cadmium plate S40 = Zinc plate S41 = Pre-galvainized coat S42 = Cadmium plate (Black) S43 = Zinc plate plus O.D. Chromate S45 = Chrome plate on Stainless S46 = Black Phenolic S47 = Chromium plate S48 = Cadmium/Tin plate S49 = Black Epoxy S50 = Cadmium plate & Blue Chromate S51 = Cadmium plate & Blue Chromate S91 = O-Ring material S92 = O-Ring material S93 = O-Ring material S94 = O-Ring material S100 = Special S101 = Special S102 = Special S103 = Special S104 = Special |
B = Black dye M = Non-electrolytic plating (Mechanically applied) X = Wax sealer (used to finish screw threads) |
The table above is a summary of the various designations Ford used to identify standard hardware parts and finishes immediately after the Model A era. The adoption and implementation of this system of standard fasteners and finishes began during the Model A production years.