6 holes - 4 threaded holes 1/4-20 unc 2b x 1/2 deep on a 1625 d.B.C. 180 degrees apart
A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).
Classification: Other articles of iron or steel not wire nesoi
NSN 6320-01-564-0893
NSN 5915-01-128-0282
NSN 4140-01-105-2017
NSN 6320-01-531-4997
NSN 5985-01-147-0405
NSN 5975-01-620-8963
NSN 6610-01-089-1018
NSN 6645-00-225-2742
NSN 5990-00-940-8528
NSN 6645-00-726-2716
NSN 4140-00-832-7576
NSN 6645-01-396-6976