2.1.17
Screws
Screws shall be of the material, grade, type, style, and finish indicated
or best suited for use intended.
2.1.17.1
Cap Screws
ASME B18.2.1, ASME B18.3, or ASME B18.6.2 as required.
2.1.17.2
Machine Screws
ASME B18.6.3.
2.1.17.3
Wood Screws
ASME B18.6.1.
2.1.17.4
Set Screws
ASME B18.6.2.
2.1.18
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NOTE: The designer should replace FS FF-S-325
Groups with the following: CID A-A-1922 replaces
Group I; FS A-A-1923 replaces Group II; FS A-A-1924
replaces Group III; CID A-A-55615 with Group IV; FS
A-A-1925 replaces Group V; and CID A-A-55614
replaces Group VIII.
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[CID A-A-1922][FS A-A-1923][FS A-A-1924][FS A-A-1925][CID A-A-55614][CID
A-A-55615], type as required, except that nail driven types will not be
acceptable, galvanized unless otherwise indicated.
2.1.19
Toggle Bolts
Toggle bolts shall have spring action snap open wings and require a
predrilled hole. Screws and sheet metal wings shall be made of zinc-plated
steel.
2.1.20
Rivets
Rivets shall conform to [_____], Grade [_____].
2.1.21
Safety Treads
Treads shall slip-on skid resistant and made from [rubber] [vinyl]
[aluminum alloy] [cast iron] as best suited for the intended location.
2.1.22
Wire Rope
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NOTE: Identify the requirements for wire rope by
inserting number of wires, material, type of core,
lay, coating, and whether preformed or not.
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SECTION 05502A
Page 17