NSN 1660-00-076-9662, 1660000769662
CONNECTION ASSEMBLY,OXYGEN MASK

Federal Supply Classification: FSC 1660 - Aircraft Air Conditioning, Heating, and Pressurizing Equipment
National Item Identification Number: NIIN 000769662
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 1660-00-076-9662

National Stock Number (NSN) 1660-00-076-9662, or NIIN 000769662, (connection assembly,oxygen mask) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 13 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 9 contracts issued for this part number, with 26 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE4A725F6322, SPE4A723F4264, SPE4A723F4264, SPE4A719PC468, SPE4A719PC468. The total value of the awarded contracts has been US$ 9,113,380.18.

This NSN is fairly common among different weapons systems, belonging to 17 different platforms.

There has been a small amount of demand for this national stock number. Globally, demand for this NSN has originated from 6 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.

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 1660000769662 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) C/O HOUSING AND ELBOW;HOSE;NAMEPLATE;LOWER BAIL AND TIE BAR KIT;CONNECTOR ASSY;COVER-UPPER CLAMP;2 HOSE CLAMPS