[2] The SSh-68 was used by the armed forces of the Soviet Union and its Warsaw Pact allies, and others.
[3] Due to the introduction of improved helmets starting with the original 6B7, the SSh-68 was progressively withdrawn from service.
In the Russian Armed Forces, the final examples are being gradually replaced by the newer 6B7-1M and 6B47 helmets.
SSh-68s are not sized as NATO helmets are since they are designed to be able to adjust for soldiers to wear an Ushanka or other heavy hat underneath it during the winter.
The standard steel variants have different dimensions depending on the size.