NSN 2990-00-570-3082, 2990005703082
COVER,OIL PUMP

Federal Supply Classification: FSC 2990 - Miscellaneous Engine Accessories, Nonaircraft
National Item Identification Number: NIIN 005703082
Codification Country: United States
Item Name Code: INC 77777
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 2990-00-570-3082

National Stock Number (NSN) 2990-00-570-3082, or NIIN 005703082, (cover,oil pump) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 3 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, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 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 assigned to Item Name Code (INC) 77777. 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 2990005703082 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

END ITEM IDENTIFICATION: (AGAV) 28050178680
GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) CARBON STEEL SAE J403 NO. 1008-1020,OPTIONAL MATERIAL,ASTM B 310 TYPE II COMBINED CARBON 0.50-0.90,IRON 92.0 MIN,COPPER 4.0-5.0 MAX,ACID INSOLUBLES 1.0 MAX,OTHERS BY DIFFERENCE 2.5 MAX,ROCKWELL B 70 HARDNESS,6.1-6.4 G/CC DENSITY,60000-75000 PSI TENSILE STRENGTH,0.375 IN. THK O/A,0.310 IN. OPTIONAL DESIGN THK,3.526 IN. MIN,3.536 IN. MAX H O/A,3.740 IN. MIN,3.760 IN. MAX W O/A,7 HOLES,0.279 IN. MIN,0.286 IN. MAX DIA,0.687 IN. SPOTFACE,CADMIUM PLATE PER AMS2400-1 OR ZINC PLATE PER AMS2402-1