Serving our customers with quality and safety first.
steel CHROME-NICKEL-Molybdenum MIL-S-5000 alloy E4340 condition c, silver plated QQ-S-365 type 1 gr a, hardness rating 34 to 38 rockwell c scale, 1.370 in. min 1.380 in. max od, 0.562 in. min 0.564 in. max id, 0.073 in. min 0.078 in. max thk, 90 microinch finish , magnetic inspection per MIL-I-6868
1EA
Schedule B number: 7318220000
nmfc 194160
Washers other than lock washers, iron or steel
FSC 5310 ⁓ Nuts and washers
Note-nuts and washers, including specially designed, are to be classified in this fsc. a. nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. washers are a perforated piece of metal, leather, or other materials of various shapes or forms. they are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.
Excluding bearing thrust washers (fsc 3120); shims (fsc 5365); ring spacers (fsc 5365); plate spacers (fsc 5365); lock rings (fsc 5365).