tender for buffer plunger [casting] to drg. no. rdso-sk-94255, alt. 6 assembled and riveted with faceplate, buffer spindle and hex nut to drg. no. rdso-sk-98145, alt. 11, item no. 5, 6, 7 and 17. [buffer plungershall confirm to is:1030-98 and shall be procured only from a class foundries to is: 12117 -1996].
