MIL-P-20628B, MILITARY SPECIFICATION: PUTTY, SEALING (FOR BOLTED STEEL STORAGE TANKS) (21 MAY 1971)
MIL-P-20628B, MILITARY SPECIFICATION: PUTTY, SEALING (FOR BOLTED STEEL STORAGE TANKS) (21 MAY 1971)., This specification covers sealing putty for use in caulking the joints of bolted steel tanks used for the storage of gasoline, oil, or asphalt.