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A.S. 500-lb. Mks l-IV (Obsolescent) |
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Filler and Weight | ||
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| TNT, EDX/TNT, | |||
| Body and Overall Weight | |||
| NA, 490 lb. | |||
| Color | |||
| Dark green, Red Band, Light green band | |||
| Type of Round, DODIC | |||
| A.S., Mk IV, NA |
| Description: |
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| The Mk IV body consists of a hollow nose forging or casting, and a east or forged tail adapter, welded to a sheet-steel caw¬ing. The nose is threaded to take a solid nose plug. which is secured by a locking screw, The casting is made in two part, welded together longitudinally. The tail adapter receives the exploder container, which is locked and sealed in position, and houses the detonator holder and pistol. The Mks IIII bodies have the nose of the bomb fitted with an adapter for a nose fuze. Internal strengthening bandit are welded to the body, which has no tail adapter. A ballistic cap screws on the nose to prevent ricochet. |
| Use: |
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| A.S. bombs, ranging from 100 to 600 lb. are at present in service use. They are thin-walled bombs, having a high charge/weight ratio for maximum blast effect on, or under, water. Air¬craft depth charges are used by the British as alternatives for these bombs. |
| Functioning: |
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| The Tail Assembly No. 9 Mk I consists of a sheet-metal cone with a cylindri¬cal strut attached to it by four fins. The assem¬bly is secured to the tail adapter by four spring clips on the cone. A reach rod, with arming vanes attached to the after end, extends through the cone and engages the arming fork of the tail pistol. The tails of the Bombs Mks I-III consists of a cylindrical strut attached by four fins to a dome-shaped tail cone, and secured to the body by a central bolt. |
| Munition Components: |
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| Data Source: |
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| OP_1665ExplosiveOrdnanceBritish1946 |
| Munitions Tech Data Sheet: |
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