The 172LNA1 offers a round needle housing at 5,500 blows per minute; while the 182LNA1 offers a round needle housing at 4,000 blows per minute.
FeaturesAdjustable bayonet-type needle housing lock allows adjustment without special tools.Choice of three needle materials permits custom selection for various surfaces.Rubber-faced throttle valve means positive sealingTested and approved in accordance with MIL-S-23492A (Ships)Precision heat-treated needles for maximum performanceNineteen 1/8 inch diameter steel needles, 5 inch long
