scope:

This specification covers free-flight, single envelope, freely expanding balloons made from synthetic rubber latex.

Balloons covered by this specification shall be of one grade and of the following types, classified in accordance with their function, nominal weight, and color as specified in the invitation for bids. Table I Types

Nominal Function Nomenclature Weight, Grams Color ---------------------------------------------------------------------------------- Ceiling Balloon ML-157-A 10 Black or dark blue Ceiling Balloon ML-158-A 10 Red Pilot Balloon ML-50-A 30 Uncolored Pilot Balloon ML-51-A 30 Black or dark blue Pilot Balloon ML-64-A 30 Red Pilot Balloon ML-155-A 30 Orange Pilot Balloon ML-156-A 30 Yellow Pilot Balloon ML-159-A 100 Uncolored Pilot Balloon ML-160-A 100 Black or dark blue Pilot Balloon ML-161-A 100 Red Pilot Balloon ML-408A/AM 100 Orange Pilot Balloon ML-478/AM 100 Yellow Sounding Balloon ML-479/AM 600 Uncolored