* M224: Tighten the self-locking screw
and nuts to 10 + 2 lb-ft (13.6 + 2.7 N x m).
These feature self-locking screw
clamp connection technology for a maintenance-free and vibration-proof connection.
Don't remove the self-locking screw
in the buttstock.
The new hardware replaces the original self-locking screw
and nut that protruded from the inside of your helmet.
Fig 1231 Item Name NSN 1 Self-locking screw
5310-01-369-6706 3 M16 cap screw 5305-01-369-8253 4 Machine bolt 5306-01-369-8192 6 Flat washer 5310-01-369-8923 7 Self-locking nut 5310-01-369-3339 Fig 1232 Item Name NSN 1 Cap screw 5305-01-433-8469 2 Flat washer 5310-01-158-9053 3 Self-locking nut 5310-01-369-6706 5 Cap screw 5305-01-369-2264
Once the self-locking screw
is removed, it no longer stays tight and the buttstock can turn during firing.
The upper handguard rail has a self-locking screw
that must be replaced with a new screw when it's removed.
If the socket head cap self-locking screw
is removed for any reason, it must be replaced with a new one.
The developers also switched from using safety wire to self-locking screws
, which eliminated the cost of safety wire, reduced foreign-object damage and reduced manufacturing and life-cycle costs.
Nine of the top 10 items stolen from vehicles can be easily removed when you park, and the tenth item, vehicle registration plates, can be protected by self-locking screws
Tenders are invited for Connecting links for mining round steel chains High strength, 18x64 calibration, self-locking screws
and nuts M20x85 M20
Nine of the top 10 items stolen from vehicles can be easily removed when you park and the 10th item, vehicle registration plates, can be protected by self-locking screws