Model A & B

Ford Garage

Ford Hardware & Finish Codes

Part Number Ranges Finishes 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 chart 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 began during the Model A production years.

Ford Standard Parts include, but are not limited to:

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.


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September 2008