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  1. #1
    Ordnance Approved
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    WW2 US Mk2A1 (Pineapple) Grenade

    Hi All

    Can any one please tell me the thread size of the M10A3 series fuse assemblY on the Mk 2A1 grenade?

    I have a load of battlefield recovered bodies and want to complete them with dummy fuzes, so need to re-cut the threads on the neck of the gren bodies.

    Many Thanks

    Jay Howe
    IMAS Level III EOD
    This member holds IMAS Level 3 qualification ...confirmed by spotter.

  2. #2
    Junior Member
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    Just a suggestion, do not rethread the bodies, if you do so you will just devalue them. People will think they are fake as well, because the fakes have the larger modern thread pattern, not to mention they will be totally incorrect. Your best route is either getting original real fuzes, if that is too much then get reproduction M10 fuzes.

  3. #3
    Junior Member
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    Sorry I read your post wrong, if they are real MK2A1 bodies they should have the correct thread pattern for the M10 fuzes. If they have the larger modern thread pattern (M228,M213 fuzes) they are not original bodies.

  4. #4
    Premium Member
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    Just noticed that nobody had actually answered your initial question yet. If you need a tap to chase corroded threads in WWII MKII bodies, the proper size is 9/16-12. The larger fuze threads used during Vietnam and later are 5/8-11.

 

 

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