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FIIG:  A23900

Entry Date:  Apr-01-1974

Concept:  

Status:  A

Applicability:  A

Type:  0

Definition:  An item which is an integral part of the barrel extension group of a weapon. It is designed to prevent the loss of gas pressure, by locking the barrel extension to the bolt during firing.

Basic INC:  70163

Basic Name:  LOCK

Description:  1. A fastening device consisting of only a mechanism in which a bolt(s) enters an adjoining cavity and is secured by spring action, turn knob action or key action or any combination of the aforementioned operations. In order to release the bolt, the use of a key, turn knob, or a predetermined setting on a dial for combination locks, is necessary. 2. A device having a locking arrangement designed for insertion in specific locations on aircraft, guided missile, rockets, bomb and mine dispensers, armament pods tanks, tractors, trucks, and the like to prevent inadvertent operation. It may have a STREAMER, WARNING attached to indicate removal before operation. Excludes: LOCK SET, AIRCRAFT GROUND SAFETY; BRACE, AIRCRAFT GROUND SERVICING; PIN, GROUND SAFETY; and PIN SET, GROUND SAFETY.