SUPERBOLT

Superbolt

(Multi-Jackbolt Tensioner)

Problem: Many shipboard applications require high-torque nuts that are easy to install and remove. Superbolt was desired but was not shock qualified for fleet use.

Solution: MTTC conducted shock testing to highest levels. Superbolt out-performed existing unitary nuts. Results extended to other tensioner materials and sizes.

NAVY POC
Ed Cohen
NAVSEA-05P6
(202) 0781-4364

Benefits

Estimated Navy Cost Avoidance:

Minimum Annual:             $975 K

Minimum 15 Year:        $14,625 K

Fleet Impact: Sailors and yard workers are now able to perform maintenance much quicker awith cmaller common tools, This device is most efficiently used in confinted locations with tight tolerance and clearances.

Status: Complete

Fleet Approval

U.S. Navy has purchased over 1,000 Superbolts to date. (Official approval less than 1 year old). Use is expected to increase dramatically.

Applications Include
• Submarine Stern Tube Seals
• CVN Reboiler Foundation Bolts
• Vertical Lunch Foundation Bolts
• Many Others
• Sub Sonar Domes expected soon