ZZ-I-550E (AMENDMENT-4), FEDERAL SPECIFICATION: INNER TUBE, PNEUMATIC TIRE (20 JUL 1978)

ZZ-I-550E (AMENDMENT-4), FEDERAL SPECIFICATION: INNER TUBE, PNEUMATIC TIRE (20 JUL 1978)., This Amendment, which forms a part of Federal Specification ZZ-I-550E, dated November 30, 1973, was approved by the Commissioner, Federal Supply Service, General Services Administration for the use of all Federal agencies.