Urgent Purchase Request Quanity: 16 NSN:4920013238233 PN: 23051180 Description: Applicable C-130 ACFT; Required to install the Prop Shaft Seal and Thrust Plate. Pred Matl: Stainless Steel; Main Body is 9"O.D. X 7.25" I.D. X 1.75" Thick Ring; Mounted on body are 4-puller tabs with locking screws and 4 jacking screws.