NSN 4520-00-633-5534, 4520006335534
Cancelled -> Replaced by 5930005643033

Federal Supply Classification: FSC 4520 - Space and Water Heating Equipment
National Item Identification Number: NIIN 006335534
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 4520-00-633-5534

National Stock Number (NSN) 4520-00-633-5534, or NIIN 006335534, (button,reset) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN replaces 1 stock number, 5930005643033.

There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 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 has not been procured by the US Government in over 5 years.

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 4520006335534 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) PLASTIC,GREY,0.826 IN.H O/A,0.750 IN.SQ BASE,0.156 IN. MAX THK TAPERED TO 0.125 IN.THK MIN,RD PORTION OF BUTTON 0.0 594 IN.H,0.562 IN. DIA AT BASE,MARKED RESET W/0.010 IN.H RAISED LETTERS,0.125 IN.
GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) EPLASTIC,GREY,0.826 IN.H O/A,0.750 IN.SQ BASE,0.156 IN. MAX THK TAPERED TO 0.125 IN.THK MIN,RD PORTION OF BUTTON 0.0 594 IN.H,0.562 IN. DIA AT BASE,MARKED RESET W/0.010 IN.H RAISED LETTERS,0.125 IN.