25mm bushing material is polytetrafluoroethylene
A solid metallic item, usually cylindrical, with or without a flange at one end. It is designed to be inserted into a hole to reduce the inside diameter of the hole and protect the surrounding body structure from damage resulting from stress, strain and/or vibration, but without a through hole parallel to the axis. It is intended for subsequent drilling operation.
NSN 5985-00-542-0597
NSN 5935-01-127-7749
NSN 6105-01-172-7640
NSN 6105-01-384-3687
NSN 6145-01-258-1840
NSN 6620-01-389-3324
NSN 5965-01-255-5581
NSN 5925-01-481-1310
NSN 5905-00-584-1302
NSN 5998-01-093-0283
NSN 5945-00-716-8405
NSN 5999-00-028-3487