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3b
1680-01-256-7678 driveshaft assy, AH-1W acft
un
20
32.0 rockwell c and 36.0 rockwell c
1.500in. ⁓1-1/2"
nut measures 2.500 in. dia. and 0.500 in. lg., external involute, flat root, side fit, 34 teeth, pressure angle 30
steel comp E4340
1EA
Steel comp e4340
20
3b
Schedule B number: 7318160000
nmfc 093470
Nuts of 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).
Used on 1680-01-256-7678 driveshaft assy,ah-1w acft. nut measures 2.500 in. dia. 20 thread quantity per inch 3b thread class
Nothing similar to this part number was found in our inventory
A nut having an externally splined sleeve which holds it in position when forced into a hole of slightly smaller diameter.