PPP-T-1637, FEDERAL SPECIFICATION: TUBE, SHIPPING, COLLAPSIBLE (06 AUG 1971) [NO S/S DOCUMENT]

PPP-T-1637, FEDERAL SPECIFICATION: TUBE, SHIPPING, COLLAPSIBLE (06 AUG 1971) [NO S/S DOCUMENT]., This specification covers the requirements for collapsible tubes made of metal, plastic, or laminated materials and caps.