Seal Safety And Armingoring

SEAL,

Fuze Recoilless Rifle

Type Classification:

Std MSR 05826003.

Use:

Fuze, Proximity: M766 is used with Sergeant York Cartridge, HE, M822 for 40mm gun M247, It is used primarily against aerial targets.

Description:

The M766 Proximity Fuze is an electronic fuze that operates on the Doppler principle, It contains a combination of electronic and mechanical devices that provide a safe and reliable air defense munition, The electronic head of the fuze provides both safety and detonation. A mechanical safe and arm device (MS470 S&A) provides bore safety and maintains out-of-line safety until a safe arm distance is achieved. Electrical arming, which occurs well after muzzle exit, prevents an early ignition signal to the initiator. After electrical arming, the presence of a target that effects the proximity function will result in a firing signal output. The fuze also contains sensitive impact switches that provide fuze function on impact, and an electronic self-destruct feature that results in detonation

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