Parts of the lock

plate2
This diagram is from the Small Arms Training manual for the Vickers MG. It shows, from top left to bottom right (excluding the component parts of the extractor), the order in which the lock was reassembled after stripping.

Bushes, Axis, Side Levers

  • Cat No. C1/BD 0628, List of changes A7792 and B3370, GUNS, MACHINE, VICKERS, .303-IN., Mk. I, Bushes, axis, Side levers – Also GUNS, MACHINE, VICKERS .303-IN, Trigger guard – For Mk. VI, VI* and VII guns
P1020609
  • Cat No. C2/BG 0581, GUNS, MACHINE, VICKERS, .5-IN., Bushes, axis, Side levers, Mk. I – For Mks. I (N.I.V.) and II locks in Mks. I (N.I.V.) and II guns respectively
  • Cat No. C2/BG 0582, GUNS, MACHINE, VICKERS, .5-IN., Bushes, axis, Side levers, Mk. II – For Mks. IV and V locks; also for trigger guard carrier on Mk. V gun

Casing

Extractor

Cover, Gib Spring

  • Cat No. C1/BD 0652, List of changes A7792, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Covers, Gib spring – Also for Guns, machine, Vickers, .303-in., Mks. IVA, IVB, VI, VI* and VII (Section C2)
  • Cat No. C2/BG 0596, GUNS, MACHINE, VICKERS, .5-IN., Covers, Gib spring

Extractor

  • Cat No. C1/BD 0690, List of changes A7792, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Extractors, Mk. I, No. 1 – With gib spring and cover
  • Cat No. C1/BD 0691, List of changes A7792, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Extractors, Mk. I, No. 2 – With gib spring and cover
  • Cat No. C2/BG 0246, GUNS, MACHINE, VICKERS, .303-IN., Extractors, Mk. II, No. 1 – With gib spring cover. With Mk. I detent; detent plunger; Mk. I detent spring and plate. For Mks. IV A and IV B guns
  • Cat No. C2/BG 0247, GUNS, MACHINE, VICKERS, .303-IN., Extractors, Mk. II, No. 2 – With gib spring cover. With Mk. II detent; detent pin; and Mk. II detent spring
  • Cat No. C2/BG 0608, GUNS, MACHINE, VICKERS, .5-IN., Extractors, Mk. II – With gib spring cover. With Mk. I detent, Mk. I detent plunger, spring and plate. For Mks. II and IV locks in Mks. II and IV guns
  • Cat No. C2/BG 0609, GUNS, MACHINE, VICKERS, .5-IN., Extractors, Mk. III – With gib spring cover. With Mk. II detent, Mk. II detent plunger, spring and plate. For Mk. V locks in Mks. II, IV and V guns

Gib

  • Cat No. C1/BD 0710, List of changes A7792, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Gibs, No. 1
  • Cat No. C1/BD 0711, List of changes A7792, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Gibs, No. 2 – Alternative to No. 3; also for Guns, machine, Vickers, .303-in., Mks. IVA, IVB, VI, VI* and VII (Section C2)
  • Cat No. C1/BD 0712, List of changes A7792, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Gibs, No. 3 – Alternative to No. 2; also for Guns, machine, Vickers, .303-in., Mks. IVA, IVB, VI, VI* and VII (Section C2)
  • Cat No. C2/BG 0614, GUNS, MACHINE, VICKERS, .5-IN., Gibs, Mk. I – For Mks. I (N.I.V.) and II locks in Mks. I (N.I.V.) and II guns respectively
  • Cat No. C2/BG 0615, GUNS, MACHINE, VICKERS, .5-IN., Gibs, Mk. II – For Mk. IV locks in Mks. II and IV guns
  • Cat No. C2/BG 0616, GUNS, MACHINE, VICKERS, .5-IN., Gibs, Mk. III – For Mk. V locks in Mks. II, IV and V guns

Spring, Gib

  • Cat No. C1/BD 0946, List of changes A7792, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Springs, Gib – also for Guns, machine, Vickers, .303-in., Mks. IVA, IVB, VI, VI* and VII (Section C2)
P1020621
  • Cat No. C2/BG 0788, GUNS, MACHINE, VICKERS, .5-IN., Springs, Gib, Mk. I
  • Cat No. C2/BG 0789, GUNS, MACHINE, VICKERS, .5-IN., Springs, Gib, Mk. II
  • Cat No. C2/BG 0790, GUNS, MACHINE, VICKERS, .5-IN., Springs, Gib, Mk. III

Detents (for AFV guns only)

  • Cat No. C2/BG 0240, GUNS, MACHINE, VICKERS, .303-IN., Detents, Extractor, Mk. I – For Mk. II extractor. For Mks. IV A and IV B guns
  • Cat No. C2/BG 0241, GUNS, MACHINE, VICKERS, .303-IN., Detents, Extractor, Mk. II – For Mk. II, No. 2 extractor
  • Cat No. C2/BG 0242, GUNS, MACHINE, VICKERS, .303-IN., Detents, Safety stop
  • Cat No. C2/BG 0298, GUNS, MACHINE, VICKERS, .303-IN., Pins, Detent, Extractor – For Mk. II, No. 2 extractor
  • Cat No. C2/BG 0309, GUNS, MACHINE, VICKERS, .303-IN., Plates, Detent, Extractor, Mk. I – For Mk. II, No. 1 extractor. For Mks. IV A and IV B guns
  • Cat No. C2/BG 0312, GUNS, MACHINE, VICKERS, .303-IN., Plungers, Detent, Extractor – For Mk. II, No. 1 extractor. For Mks. IV A and IV B guns
  • Cat No. C2/BG 0354, GUNS, MACHINE, VICKERS, .303-IN., Springs, Detent, Extractor, Mk. I – For Mk. II, No. 1 extractor. For Mks. IV A and IV B guns
  • Cat No. C2/BG 0355, GUNS, MACHINE, VICKERS, .303-IN., Springs, Detent, Extractor, Mk. II – For Mk. II, No. 2 extractor
  • Cat No. C2/BG 0604, GUNS, MACHINE, VICKERS, .5-IN., Detents, extractor, Mk. I – For Mks. II and IV locks in Mks. II and IV guns
  • Cat No. C2/BG 0605, GUNS, MACHINE, VICKERS, .5-IN., Detents, extractor, Mk. II – For Mk. V locks in Mks. II, IV and V guns
  • Cat No. C2/BG 0710, GUNS, MACHINE, VICKERS, .5-IN., Plates, Detent, extractor – For Mks. II, IV and V guns
  • Cat No. C2/BG 0721, GUNS, MACHINE, VICKERS, .5-IN., Plungers, Detent, extractor, Mk. I – For Mks. II and IV locks in Mks. II and IV guns
  • Cat No. C2/BG 0722, GUNS, MACHINE, VICKERS, .5-IN., Plungers, Detent, extractor, Mk. II – For Mk. V locks in Mks. II, IV and V guns
  • Cat No. C2/BG 0784, GUNS, MACHINE, VICKERS, .5-IN., Springs, Detent, extractor – For Mks. II, IV and V locks in Mks. II, IV and V guns

Levers, extractor

  • Cat No. C1/BD 0745, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Levers, Extractor, Left, No. 1
  • Cat No. C1/BD 0746, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Levers, Extractor, Left, No. 2 – Also for Guns, machine, Vickers, .303-in., Mks. IVA, IVB, VI, VI* and VII (Section C2)
P1020601
  • Cat No. C1/BD 0747, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Levers, Extractor, Right, No. 1
  • Cat No. C1/BD 0748, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Levers, Extractor, Right, No. 2 – Also for Guns, machine, Vickers, .303-in., Mks. IVA, IVB, VI, VI* and VII (Section C2)
P1020600.JPG
  • Cat No. C2/BG 0636, GUNS, MACHINE, VICKERS, .5-IN., Levers, Extractor, Left, Mk. I
  • Cat No. C2/BG 0637, GUNS, MACHINE, VICKERS, .5-IN., Levers, Extractor, Right, Mk. I

Lever, Side

Pin, Firing

  • Cat No. C1/BD 0812, List of changes A7792, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Pins, Firing, No. 1
DSC01560
  • Cat No. C1/BD 0813, List of changes A7792, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Pins, Firing, No. 2 – Also for Guns, machine, Vickers, .303-in., Mks. IVA, IVB, VI, VI* and VII (Section C2)
  • Cat No. C2/BG 0685, GUNS, MACHINE, VICKERS, .5-IN., Pins, Firing

Pin, Split, Bush, Axis, Side Levers

  • Cat No. C1/BD 0830, List of changes A7792, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Pins, Split, Bush, axis, side levers – Also for Guns, machine, Vickers, .303-in., Mks. IVA, IVB, VI, VI* and VII; and for trigger guard on GUns, machine, Vickers, .303-in., Mks. VI, VI* and VII (Section C2)
P1020611.JPG
  • Cat No. C2/BG 0694, GUNS, MACHINE, VICKERS, .5-IN., Pins, Split, Bush, axis, side levers, Mk. I – For Mks. I (N.I.V.) and II locks in Mks. I (N.I.V.) and II guns respectively
  • Cat No. C2/BG 0695, GUNS, MACHINE, VICKERS, .5-IN., Pins, Split, Bush, axis, side levers, Mk. II – For Mks. IV and V locks in Mks. II, IV and V guns. Also for Mk. II feed block levers (all guns); and for trigger guard carrier axis bush on Mk. V gun

Pin, Trigger Lock

  • Cat No. C1/BD 0842, List of changes A7792, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Pins, Trigger lock – also for Guns, machine, Vickers, .303-in., Mks. IVA, IVB, VI, VI* and VII (Section C2)
P1020612
  • Cat No. C2/BG 0705, List of changes A 9589, GUNS, MACHINE, VICKERS, .5-IN., Pins, Trigger, lock

Pin, Tumbler

  • Cat No. C1/BD 0844, List of changes A7792, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Pins, Tumbler – also for Guns, machine, Vickers, .303-in., Mks. IVA, IVB, VI, VI* and VII (Section C2)
P1020619.JPG
  • Cat No. C2/BG 0706, GUNS, MACHINE, VICKERS, .5-IN., Pins, Tumbler

Sear

  • Cat No. C1/BD 0920, List of changes A7792, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Sears – With spring; also for Guns, machine, Vickers, .303-in., Mks. IVA, IVB, VI, VI* and VII (Section C2)
DSC01565
  • Cat No. C2/BG 0770, GUNS, MACHINE, VICKERS, .5-IN., Sears – With spring

Spring, Sear

  • Cat No. C1/BD 0954, List of changes A7792, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Springs, Sear – also for Guns, machine, Vickers, .303-in., Mks. IVA, IVB, VI, VI* and VII, and .5-in. Mks. I (N.I.V.), II, IV and V (Section C2)
  • Cat No. C1/BD 0954, GUNS, MACHINE, VICKERS, .5-IN., Springs, Sear – To be demanded under “Guns, machine, Vickers, .303-in., Mk. I”

Spring, Lock

  • Cat No. C1/BD 0948, List of changes A7792, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Springs, Lock, No. 1 – also for Guns, machine, Vickers, .303-in., Mks. IVA, IVB, VI, VI* and VII (Section C2)
  • Cat No. C1/BD 0949, List of changes A7792, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Springs, Lock, No. 2 – also for Guns, machine, Vickers, .303-in., Mks. IVA, IVB, VI, VI* and VII (Section C2)
P1020599.JPG
  • Cat No. C2/BG 0791, GUNS, MACHINE, VICKERS, .5-IN., Springs, Lock

Trigger

  • Cat No. C1/BD 0983, List of changes A7792, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Triggers, Lock – also for Guns, machine, Vickers, .303-in., Mks. IVA, IVB, VI, VI* and VII (Section C2)
DSC01566.jpg
  • Cat No. C2/BG 0822, GUNS, MACHINE, VICKERS, .5-IN., Triggers, lock

Tumbler

  • Cat No. C1/BD 0987, List of changes A7792, GUNS, MACHINE, VICKERS, .303-IN., MK. I, Tumblers – also for Guns, machine, Vickers, .303-in., Mks. IVA, IVB, VI, VI* and VII (Section C2)
  • Cat No. C2/BG 0830, GUNS, MACHINE, VICKERs, .5-IN., Tumblers

Sources

Specific source references can be provided if required.