NSN 2840-00-475-0068, 2840004750068
IMPELLER,BEARING,FORWARD COMPRES

Federal Supply Classification: FSC 2840 - Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
National Item Identification Number: NIIN 004750068
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.

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DLMS^® Summary

National Stock Number 2840-00-475-0068

National Stock Number (NSN) 2840-00-475-0068, or NIIN 004750068, (impeller,bearing,forward compres) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There is only one manufacturer part number 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, 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 2840004750068 contains an unknown precious metal.

This NSN is associated to Schedule B 8411997050: parts of gas turbine aircraft engines, other than for use in civil aircraft. The Schedule B End Use is listed as engines and turbines for military aircraft. NAICS classification category 336412: aircraft engine and engine parts manufacturing.

This information was last updated on Aug 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) KSTEEL AMS6382,ROCKWELL C SCALE 26 MIN,32 MAX HARDNESS RATING,6 BLADES EQUALLY SPACED,2.420 IN. NOM SMALLEST OD,3.995 IN. MIN,4.000 IN. MAX LARGEST OD,2.268 IN. MIN,2.269 IN. MAX ID,0.426 IN. MIN,0.428 IN. MAX H
END ITEM IDENTIFICATION: (AGAV) T-53 SERIES ENGINES
GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) STEEL AMS6382,ROCKWELL C SCALE 26 MIN,32 MAX HARDNESS RATING,6 BLADES EQUALLY SPACED,2.420 IN. NOM SMALLEST OD,3.995 IN. MIN,4.000 IN. MAX LARGEST OD,2.268 IN. MIN,2.269 IN. MAX ID,0.426 IN. MIN,0.428 IN. MAX H