2540-00-135-6549 Bulkhead Bracket. Fits M109 Howitzer and M992 Support Vehicle. US Army p/n 11635745. Original invoice was $171.48, Aluminum alloy, fed QQ-A-250/6, temper O, 0.090 in. thk material, 5-9/16 in. O/a W by 8-7/8 in. O/a lg, five 9/16 in. dia mtg holes 15120 WRD16