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B-1B acft
steel per ams 5643, one end contains left hand threads, 0.250-28 UNJF-3B-lh per MIL-S-8879, other end contains a bearing thru a 0.6245 in. min to 0.6255 in. max dia hole
1EA
FSC 3120 ⁓ Bearings, plain, unmounted
Note-bearings in this class are generally one piece that retain and position moving and/or rotating parts. they may have lubrication grooves/fittings/facilities or include pre-lubrication.
Excluding antifriction bearings (fsc 3110); mounted bearings (fsc 3130).
Used on b-1b acft.