A-A-52521, COMMERCIAL ITEM DESCRIPTION (CID): FILLER NECK: RADIATOR (26-SEP-1995) [SUPERSEDING MS35841C AND MS51063C]

A-A-52521, COMMERCIAL ITEM DESCRIPTION (CID): FILLER NECK: RADIATOR (26-SEP-1995) [SUPERSEDING MS35841C AND MS51063C]., This CID covers medium and large size radiator filler necks for 64 and 95 millimeter (mm) size radiator caps rated nominally at 41 to 55 kilopascals (kPa) and 34 to 48 kPa pressure relieving, respectively.