TM 1-1500-204-23-6 Table 2-10.  CherryMAX Numbering System Table 2-11.  CherryMAX Cross Reference (Part Number/Military Standard Part Number) CherryMAX Head Diameter Sleeve Stem Military standard part number style series material material part number¹ CR3213 Protruding Nominal Alum 5056 Alloy Steel M7885/2 CR3212 Flush Nominal Alum 5056 Alloy Steel M7885/3 CR3523 Protruding Nominal Monel 15-7 CRES M7885/4 CR3524 Flush Nominal Monel 15-7 CRES M7885/5 CR3243 Protruding Oversize Alum 5056 Alloy Steel M7885/6 CR3242 Flush Oversize Alum 5056 Alloy Steel M7885/7 CR3553 Protruding Oversize Monel 15-7 CRES M7885/8 CR3552 Flush Oversize Monel 15-7 CRES M7885/9 CR3223 Protruding Nominal Alum 5056 15-7 CRES M7885/10² CR3222 Flush Nominal Alum 5056 15-7 CRES M7885/11² CR3224 NAS1097 Nominal Alum 5056 15-7 CRES M7885/12² CR3245 Unisink Oversize Alum 5056 Alloy Steel M7885/13² CR3255 Unisink Oversize Alum 5056 15-7 CRES M7885/14² CR3853 Protruding Oversize Inconel 600 Inconel X750 M7885/15² CR3852 Flush Oversize Inconel 600 Inconel X750 M7885/16² 1 Diameter and grip dash number are the same for Cherry and military standard part numbers. Example.  M7885/4-4-2 and CR3523-4-2 2 These numbers are pending approval as of 17 July 1985. 2-50