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NEWS | May 12, 2022

Joint Assault Bridge: Authorized Grease Changes


Maintainers, there are changes to the grease authorized for the Joint Assault Bridge (JAB). Here’s what you need to know:
   
  • Bridge Launcher Mechanism (BLM): The use of Molykote G-4700 and grease automotive and artillery (GAA) MIL PRF 10924 is no longer authorized. Instead, use grease MIL-G-21164, NSN 9150-00-935-4018 (14 ounces), NSN 9150-00-754-2595 (1.75 pounds), NSN 9150-00-223-4004 (6.5 pounds) and NSN 9150-00-965-2003 (35 pounds).
  • Heavy Assault Scissor Bridge (HASB): Replace GAA with MIL-G-21164.
  • JAB chassis (M1A1 tank): Replace grease, automotive and artillery (GAA) MIL PRF 10924 with grease MIL‐G‐21164. The use of wide temperature range (WTR) MIL-PRF-81322 grease, NSN 9150-01-262-3358, is still authorized.
 For more info, go HERE to read TACOM Maintenance Information Message 22-030.
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