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 6645-01-471-4960
NSN 6320-01-386-9104
NSN 5950-00-081-1763
NSN 7035-00-231-2871
NSN 5930-01-263-6012
NSN 5915-00-757-9875
NSN 5996-01-498-4336
NSN 6105-01-532-1920
NSN 6130-01-265-8696
NSN 6130-01-081-8157
NSN 6620-01-013-5432
NSN 6685-01-271-6611