81mm M374A1 HE Mortar Round! #Restoration #army #military #ASMR

Published on November 8, 2024
Duration: 0:59

This video provides a silent, ASMR-style guide to the assembly of a restored 81mm M374A1 High Explosive (HE) mortar round. The process involves attaching the tail fin assembly to the tail boom, installing the ignition cartridge, fitting an obturating ring to the shell body, and finally connecting the tail assembly and fuse. The demonstration highlights professional restoration quality and correct assembly techniques.

Quick Summary

The 81mm M374A1 HE Mortar Round assembly involves attaching the fin assembly to the tail boom, installing the ignition cartridge, fitting an obturating ring to the shell body, connecting the tail assembly, and screwing in the fuse. This HE round uses Composition B filler and features markings like lot number LS-51-28 and a June 1970 manufacture date.

Chapters

  1. 00:00Overview
  2. 00:06Tail Fin Assembly
  3. 00:19Ignition Cartridge Installation
  4. 00:36Main Body and Obturating Ring
  5. 00:47Final Shell Assembly

Frequently Asked Questions

What are the key components in assembling an 81mm M374A1 HE Mortar Round?

Assembly involves screwing the fin assembly onto the tail boom, installing the ignition cartridge, placing an obturating ring on the shell body, attaching the tail assembly to the shell, and finally screwing in the fuse.

What type of explosive filler is used in the M374A1 mortar round?

The 81mm M374A1 HE mortar round is filled with Composition B (COMP B), a powerful and stable explosive mixture commonly used in military ordnance.

What is the purpose of the obturating ring on the mortar round?

The white plastic obturating ring is crucial for creating a seal within the shell body's groove. This seal prevents propellant gases from escaping around the base during firing, ensuring efficient energy transfer and proper projectile launch.

What technical markings are visible on the M374A1 mortar round?

Visible markings include the caliber (81mm), filler type (COMP B), model designation (M374A1), lot number (LS-51-28), and manufacture date (June 1970). The tail boom is marked M170.

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