National Stock Number
1630-00-056-2329
National Stock Number (NSN) 1630-00-056-2329, or NIIN 000562329, (cylinder assembly,hydraulic brak) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 1630007168616, 1630009916994.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE4A725F6192, SPE4A724F5779, SPE4A724F5779. The total value of the awarded contracts has been US$ 1,057,353.00.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 11, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. 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 1630000562329 does not contain precious metals.
This information was last updated on Aug 01, 2025.