HH-I-1751/3A), FEDERAL SPECIFICATION: INSULATION SLEEVING, THERMAL, PIPE COVERING (CELLULAR GLASS) (10-OCT-1973) [NO S/S DOCUMENT]
HH-I-1751/3A), FEDERAL SPECIFICATION: INSULATION SLEEVING, THERMAL, PIPE COVERING (CELLULAR GLASS) (10-OCT-1973) [NO S/S DOCUMENT]., This specification covers cellular boro-silica glass thermal insulation sleeving used for special purposes.