NSN 1630-01-195-6436, 1630011956436
PISTON,HYDRAULIC BRAKE

Federal Supply Classification: FSC 1630 - Aircraft Wheel and Brake Systems
National Item Identification Number: NIIN 011956436
Codification Country: United States
Item Name Code: INC 36146
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (P) 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.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 1630-01-195-6436

National Stock Number (NSN) 1630-01-195-6436, or NIIN 011956436, (piston,hydraulic brake) was assigned December 1, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 14 contracts issued for this part number, with 18 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A625F176Z, SPE4A524F2242, SPE4A523F5376, SPE4AX23F0660, SPE4AX22F5530. The total value of the awarded contracts has been US$ 721,705.00.

This NSN is somewhat common among different platforms, belonging to 9 different weapons systems.

There has been very little 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 May 30, 2008, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 36146. [A METALLIC OR NONMETALLIC ITEM DESIGNED TO FUNCTION IN A WHEEL CYLINDER OR CALIPER 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 1630011956436 does not contain precious metals.

This information was last updated on Jul 01, 2025.