NSN 4520-00-406-3342, 4520004063342
CONTROL BOX ASSEMBLY

Federal Supply Classification: FSC 4520 - Space and Water Heating Equipment
National Item Identification Number: NIIN 004063342
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 4520-00-406-3342

National Stock Number (NSN) 4520-00-406-3342, or NIIN 004063342, (control box assembly) was assigned April 13, 1970 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.

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 4520004063342 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) CONSISTS OF P/N 68708-05,1; P/N 168047,1; P/N 68814,1; P/N 3648,4; P/N 3463,5; P/N 1047,5; P/N 1032,11; P/N 22821,11; P/N 1033,9; P/N 2-168011,1; P/N 4419,1; P/N 3965,1; P/N 2-168034,1; P/N 73245,1; P/N 3894,1; P/N 47886,2; P/N 73241,2; P/N 4370,2; P/N 12262,1; P/N 5873,1; P/N 7023,1; P/N 7027,1; P/N 168051,1; P/N 3462,1; P/N 48443,2; P/N 48445,1; P/N 3948,1; P/N 3485,1; P/N 3047,1; @P/N2-168035,1; P/N 3259,1; P/N @2125,2; P/N 5962,1; P/N 3497,1; P/N 73244,1; P/N 5359,1; P/N 48433,1; P/N 4358,2; P/N 4357,2; P/N 4356,2; P/N 58447,1; P/N 2-48457,1; P/N 4011,1; P/N 68708-01,1; P/N 73270-01,1; P/N 68265,1