NSN 2840-01-006-1118, 2840010061118
DISK AND HUB,COMPRESSOR,AIRCRAFT

Federal Supply Classification: FSC 2840 - Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
National Item Identification Number: NIIN 010061118
Codification Country: United States
Item Name Code: INC 50561
Criticality: (F) This item is a Flight Safety Critical Aircraft Part (FSCAP).
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 2840-01-006-1118

National Stock Number (NSN) 2840-01-006-1118, or NIIN 010061118, (disk and hub,compressor,aircraft) was assigned July 13, 1975 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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 unique to one weapons system.

There has been very little 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 May 02, 2010, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 50561. [AN ITEM THAT CONSISTS OF A DISK, COMPRESSOR, AIRCRAFT GAS TURBINE ENGINE AND A HUB, COMPRESSOR, AIRCRAFT GAS TURBINE ENGINE.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2840010061118 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 Jul 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) CRES,M3710 FSCM 91547,PASSIVATED FINISH,P6402 FSCM 91547,ROCKWELL C SCALE 37 MIN,44 MAX HARDNESS,4.577 IN. MIN,4.589 IN. MAX O/A LG,1ST END TAPERED DISK,5.872 IN. MIN,5.882 IN. MAX SMALLEST OD DISK,5.927 IN. MIN,5.937 IN. MAX LARGEST OD DISK,1.121 IN. MIN,1.123 IN. MAX LG DISK,31 BLADE GROOVES EQUALLY SPACED ON OUTER PERIPHERY OF DISK,2ND END STEPPED HUB,EXT THD 2ND END,1.750 IN.-16 UN SERIES CL 3A THD,0.356 IN. NOM LG THD,1.645 IN. MIN,1.655 IN. MAX OD 1ST STEP 2ND END,0.150 IN. NOM LG 1ST STEP 2ND END,EXT SPLINES 2ND STEP 2ND END,45 TEETH,30 DEG PRESSURE ANGLE,1.9137 IN. MIN,1.9167 IN. MAX OD,1.8750 IN. NOM PITCH DIA,0.163 IN. MIN,0.173 IN. MAX LG SPLINES,1.725 IN. MIN,1.735 IN. MAX OD 3RD STEP 2ND END,0.120 IN. NOM LG 3RD STEP 2ND END,1.9685 IN. MIN,1.9687 IN. MAX DIA 4TH STEP 2ND END,1.060 IN. MIN,1.062 IN. MAX LG 4TH STEP 2ND END,2.220 IN. NOM OD 5TH STEP 2ND END TAPERED 30 DEG,0.310 IN. NOM LG 5TH STEP 2ND END,2.423 IN. MIN,2.431 IN. MAX OD 6TH STEP 2ND END,0.820 IN. MI
SPECIAL FEATURES: (FEAT) CRES,M3710 FSCM 91547,PASSIVATED FINISH,P6402 FSCM 91547,ROCKWELL C SCALE 37 MIN,44 MAX HARDNESS,4.577 IN. MIN,4.589 IN. MAX O/A LG,1ST END TAPERED DISK,5.872 IN. MIN,5.882 IN. MAX SMALLEST OD DISK,5.927 IN. MIN,5.937 IN. MAX LARGEST OD DISK,1.121 IN. MIN,1.123 IN. MAX LG DISK,31 BLADE GROOVES EQUALLY SPACED ON OUTER PERIPHERY OF DISK,2ND END STEPPED HUB,EXT THD 2ND END,1.750 IN.-16 UN SERIES CL 3A THD,0.356 IN. NOM LG THD,1.645 IN. MIN,1.655 IN. MAX OD 1ST STEP 2ND END,0.150 IN. NOM LG 1ST STEP 2ND END,EXT SPLINES 2ND STEP 2ND END,45 TEETH,30 DEG PRESSURE ANGLE,1.9137 IN. MIN,1.9167 IN. MAX OD,1.8750 IN. NOM PITCH DIA,0.163 IN. MIN,0.173 IN. MAX LG SPLINES,1.725 IN. MIN,1.735 IN. MAX OD 3RD STEP 2ND END,0.120 IN. NOM LG 3RD STEP 2ND END,1.9685 IN. MIN,1.9687 IN. MAX DIA 4TH STEP 2ND END,1.060 IN. MIN,1.062 IN. MAX LG 4TH STEP 2ND END,2.220 IN. NOM OD 5TH STEP 2ND END TAPERED 30 DEG,0.310 IN. NOM LG 5TH STEP 2ND END,2.423 IN. MIN,2.431 IN. MAX OD 6TH STEP 2ND END,0.820