NSN 1615-00-903-4430, 1615009034430
RACE,CLUTCH,INNER

Federal Supply Classification: FSC 1615 - Helicopter Rotor Blades, Drive Mechanisms and Components
National Item Identification Number: NIIN 009034430
Codification Country: United States
Item Name Code: INC 77777
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 1615-00-903-4430

National Stock Number (NSN) 1615-00-903-4430, or NIIN 009034430, (race,clutch,inner) was assigned June 10, 1966 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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) 77777. 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 1615009034430 contains an unknown precious metal.

This NSN is associated to Schedule B 8803100060: propellers and rotors and parts thereof, for use in military aircraft. The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.

This information was last updated on Aug 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) STEEL AMS6260 COMP 9310,BLACK OXIDE COATED MIL-C-13924 CLASS 1,CASEHARDENED SPLINES,DIM.,4.750 IN. NOM LG,1.2501 IN. MIN,1.2505 IN. MAX OD,1.4995 IN. MIN,1.5000 IN. MAX RIGHT FLANGE ODBY 0.975 IN. LG,0.7501 IN. MIN,0.7505 IN. MAX RIGHT END OD BY 0.330 IN. LG,0.500 IN. RIGHT END ID,LEFT END OD SPLINE DATA,23 TEETH 1.250 IN. LG,20/40 DIAMETRAL PITCH,1.150 IN. PITCH DIA,30.0 DEG PRESSURE ANGLE,1.076 IN. MIN,1.086 IN. MAX ROOT DIA,0.812-20 UNEF CLASS 2A THREADS ON LEFT END ID BY 0.500 IN. LG,FOUR EQUYLLY SPACED HOLES 0.091IN. DIA DRILLED THRU RIGHT END FLANGE 0.468 IN. FROM FLANGE LEFT END