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NSN 1615-00-474-9224, 1615004749224
TRUNNION ASSEMBLY

Federal Supply Classification
FSC 1615 - Helicopter Rotor Blades, Drive Mechanisms and Components
National Item Identification Number
NIIN 004749224
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.
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DLMS® Summary

National Stock Number 1615-00-474-9224

National Stock Number (NSN) 1615-00-474-9224, or NIIN 004749224, (trunnion assembly) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers 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. ISO Group has several sources of supply for this NSN.

This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 3 contracts issued for this part number, with 3 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A224F3209, SPE4A221F3472, SPE4A221F3472, SPE4A221F3472, SPE4A221F3472. The total value of the awarded contracts has been US$ 2,493,346.17.

This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 2,647,591. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 01, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.

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 1615004749224 does not contain precious metals.

This information was last updated on .


Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION
(TEXT) STEEL,MIL-S-5000 COMP 4340,CADMIUM-PLATED QQ-P-416 CLASS 1 TYPE 2,DIM.,9.000 IN. NOM O/A LG,5.200 IN. NOM CENTER W,3.000 IN. NOM CENTER HT,2.2499 IN. MIN,2.2505 IN. MAX LEFT AND RIGHT EMD OD BY 1.600 IN. NOM OD LG,1.125 IN. NOM LEFT AND RIGHT END ID BY 1.780 IN. LG,1.501 IN. NOM LEFT AND RIGHT END ID COUNTERBORE DIA BY 1.000 IN. LG,CENTER INVOLUTE SPLINE DATA,FILLET ROOT SPLINE,SIDE BEARING SLIDING CLASS A FIT,38 TEETH,10/20 DIAMETRAL PITCH,30.0 DEG PRESSURE ANGLE,3.800 IN. PITCH DIA,3.9800 IN. MIN,3.9950 IN. MAX MAJOR DIA,3.7000 IN. MIN,3.7025 IN. MAX MAJOR DIA,ONE EXTERNAL SLOT PARALLEL TO SPLINES ON EACH SIDE ON CENTER SACTION 1.000 IN. W BY 0.315 IN. DEEP

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