NSN 4820-01-215-2268, 4820012152268
RETAINING PLATE ASSEMBLY

Federal Supply Classification: FSC 4820 - Valves, Nonpowered
National Item Identification Number: NIIN 012152268
Codification Country: United States
Item Name Code: INC 77777
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: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 4820-01-215-2268

National Stock Number (NSN) 4820-01-215-2268, or NIIN 012152268, (retaining plate assembly) was assigned August 22, 1985 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 4 manufacturer part numbers associated with this NSN. One of those 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, with the most recent procurement date of Oct 16, 2018. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7M019V0648, SPM7M209M6461, SPM76105M2007. The total value of the awarded contracts has been US$ 19,359.00.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

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 Jan 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 77777. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820012152268 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) NICKEL COPPER ALLOY QQ-N-286 PLATE,43689 4901;TUNGSTEN CARBIDE INSERT 43689 4902;OD 3.750 IN.;0.625 IN. THICK;FOUR HOLES THRU 0.406 IN. DIA ON A 3.000 IN. BOLT CIRCLE;ID 0.501 IN. NOMINAL;COUNTERBORE TO 0.883 IN. NOMINAL AND 1.477 IN. NOMINAL;SLOT ON ONE EDGE 0.623 IN. DEEP AND 0.188 IN. RADIUS