National Stock Number
1630-00-345-8159
National Stock Number (NSN) 1630-00-345-8159, or NIIN 003458159, (cylinder assembly,hydraulic brake,master) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 003458159 was cancelled on April 19, 2019, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN replaces 2 stock numbers: 1630006246850, 1630006060479.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 11007. [A DEVICE CONSISTING OF A RESERVOIR AND/OR CYLINDER, HYDRAULIC BRAKE, MASTER WITH OTHER COMPONENTS NECESSARY TO DISPLACE FLUID FROM A CENTRAL SOURCE FOR ACTUATING THE SLAVE OR WHEEL CYLINDERS OF A HYDRAULIC BRAKE SYSTEM.]. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 1630003458159 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.