NSN 2990-00-405-6146, 2990004056146
ACTUATOR UNIT,ELECTRIC GOVERNOR

Federal Supply Classification: FSC 2990 - Miscellaneous Engine Accessories, Nonaircraft
National Item Identification Number: NIIN 004056146
Codification Country: United States
Item Name Code: INC 77777
Criticality: (N) This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).
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: We have 1 qualified suppliers

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DLMS^® Summary

National Stock Number 2990-00-405-6146

National Stock Number (NSN) 2990-00-405-6146, or NIIN 004056146, (actuator unit,electric governor) was assigned January 15, 1972 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 5 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 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. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years.

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 Nov 04, 2009, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 77777. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2990004056146 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

END ITEM IDENTIFICATION: (AGAV) 61151181243
GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) DIM. OVERALL,5.860 IN. W,5.000 IN. H,2.910 IN. LG,50-400 HZ TRANSDUCER,300-320 PSI INPUT PRESSURE,1 RECEPTACLE PER MS3102R14S-2S,RECEPTACLE AND TRANSDUCER SCHEMATIC PER ENGINEERING DWG 13216E3382-2,PINS C AND D OF MS3102R14S-2S RECEPTACLE SHALL BE ENERGIZED WITH 120 V 60 OR 400 HZ,VOLTAGE BETWEEN PIN A AND B OF MS3102R14S-2S RECEPTACLE SHALL BE MINIMUM AT WIDE OPEN THROTTLE AND MAXIMUM WHEN THROTTLE IS FULLY CLOSED,MINIMUM VOLTAGE SHALL BE 0.7 TO 1.5 V AC ACROSS A LOAD RESISTORHOF 5.1K OHMS AT 60 HZ AND FROM 1.5 TO 2.0 V AC ACROSS A LOAD RESISTOR OF 3.5 OHMS AT 400 HZ WHEN THE INPUT VOLTAGE IS 120 V FOR BOTH 60 AND 400 HZ,PISTON RETRACTED WHEN THROTTLE WIDE OPEN AND WHEN GOVERNOR IS TURNED OFF,0.160 IN. LG OF PISTON WHEN RETRACTED
GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) UDIM. OVERALL,5.860 IN. W,5.000 IN. H,2.910 IN. LG,50-400 HZ TRANSDUCER,300-320 PSI INPUT PRESSURE,1 RECEPTACLE PER MS3102R14S-2S,RECEPTACLE AND TRANSDUCER SCHEMATIC PER ENGINEERING DWG 13216E3382-2,PINS C AND D OF MS3102R14S-2S RECEPTACLE SHALL BE ENERGIZED WITH 120 V 60 OR 400 HZ,VOLTAGE BETWEEN PIN A AND B OF MS3102R14S-2S RECEPTACLE SHALL BE MINIMUM AT WIDE OPEN THROTTLE AND MAXIMUM WHEN THROTTLE IS FULLY CLOSED,MINIMUM VOLTAGE SHALL BE 0.7 TO 1.5 V AC ACROSS A LOAD RESISTORHOF 5.1K OHMS AT 60 HZ AND FROM 1.5 TO 2.0 V AC ACROSS A LOAD RESISTOR OF 3.5 OHMS AT 400 HZ WHEN THE INPUT VOLTAGE IS 120 V FOR BOTH 60 AND 400 HZ,PISTON RETRACTED WHEN THROTTLE WIDE OPEN AND WHEN GOVERNOR IS TURNED OFF,0.160 IN. LG OF PISTON WHEN RETRACTED