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NSN 2840-00-779-3970, 2840007793970
SHAFT,TURBINE,AIRCRAFT GAS TURBI

Federal Supply Classification
FSC 2840 - Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
National Item Identification Number
NIIN 007793970
Codification Country
United States
Item Name Code
INC 50601
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 2840-00-779-3970

National Stock Number (NSN) 2840-00-779-3970, or NIIN 007793970, (shaft,turbine,aircraft gas turbi) was assigned March 15, 1968 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. 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, 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) 50601. [AN ITEM DESIGNED TO TRANSFER ROTARY MOTION FROM A ROTARY, TURBINE, AIRCRAFT GAS TURBINE ENGINE TO A ROTOR, COMPRESSOR, AIRCRAFT GAS TURBINE ENGINE AND/OR A ROTOR, FAN, AIRCRAFT GAS TURBINE ENGINE. IT MAY INCLUDE THE HUB, TURBINE, AIRCRAFT GAS TURBINE ENGINE. IT MAY INCLUDE PROVISIONS FOR MOUNTING BEARINGS AND/OR SEALS.]. 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 2840007793970 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 .

Technical Characteristics

OVERALL LENGTH
(ABHP) 23.709 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) UNABLE TO DECODE
SPECIAL FEATURES
(FEAT) FIRST END OD THD; 2.5625 IN.-16NS 3A THD; 0.286 IN. NOM THD LG; SECOND END OD THD; 3.2812 IN.-16NS 3A THD; 0.39 IN. NOM THD LG; 3.0937 IN.-12NS 3A THD ON OD 2.123 MIN 2.127 MAX IN. FROM FIRST END; EXTERNAL SPLINES ON OD; 65 SPLINES; 30 DEG PRESSURE ANGLE; 2.7083 IN. NOM PITCH DIA; 0.576 MIN 0.588 MAX IN. LG SPLINES; 0.762 MIN 0.774 MAX IN. FROM FIRST END TO SPLINES; 79 SPLINES; 30 DEG PRESSURE ANGLE; 3.2917 IN. NOM PITCH DIA; 0.58 MIN 0.66 MAX IN. LG SPLINES; 2.846 MIN 2.89 MAX IN. FROM SECOND END TO SPLINES; 106 SPLINES; 30 DEG PRESSURE ANGLE; 3.3125 IN. NOM PITCH DIA; 0.081 MIN 0.085 MAX IN. LG SPLINES; 0.36 MIN 0.37 MAX IN. FROM SECOND END TO SPLINES
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) -3703 CAGE 91547 MFR REF SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING
(CQFM) 37.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL

Manufacturer Part Numbers

210123801

RNCC
3
RNVC
2
2840007793970

007793970

007793970


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