NSN 2990-00-424-4611, 2990004244611
SLEEVE,THRUST,DRIVE

Federal Supply Classification: FSC 2990 - Miscellaneous Engine Accessories, Nonaircraft
National Item Identification Number: NIIN 004244611
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 2990-00-424-4611

National Stock Number (NSN) 2990-00-424-4611, or NIIN 004244611, (sleeve,thrust,drive) 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 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.

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 2990004244611 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) STEEL; CASEHARDENED; 2.358 IN. LG; 2 FLANGES 0.875 IN. OD; 1ST FLANGE 0.150 IN. THK; 2ND FLANGE 0.075 IN. THK; BOTH FLANGE FACES GROUND FINISH; 1.395 IN. DIA BETWEEN FLANGES; SLEEVE PROTRUDES BEYOND SMALLER FLANGE 0.520 IN. DIA,0.750 IN. LG,0.375 IN. BORE DIA