This is a single Haltec H-4660A large bore lock on air chuck. The H-4660A is a specially designed air chuck that locks onto the cap threads of a Large Bore valve stem when the sliding sleeve is pushed to the forward position.

Brand: Haltec
MPN: H-4660A
MPN1: H-4660A
Number of Items: 1
For Use With: Large Bore Valve
Model: H-4660A
Material: Brass, Alloy Steel
Size: Large Bore
Part Type: Shop Tool
Type: Shop Tool
Item Weight: 3.8 oz
Item Width: 1.07 in
Section Width (in.): 4
SKU: HTH4660A
Country of Origin: USA