The Dt400 1975 Usa Seat 250b/c - 400b/c consists of fifteen pieces with the Single Seat Assembly (498-24710-00) being the most expensive.
The component with the lowest price in the SEAT 250B/C - 400B/C schematic is the Washer(6a1).
Parts such as the Seat 250b/c - 400b/c: Pin, Clevis, Single Seat Assembly (498-24710-00), Bolt(2jg), Washer(526) are included in the Dt400 1975 Usa Seat 250b/c - 400b/c parts fiche.