NSN 4920-00-955-1057, 4920009551057
PROBE ASSY,HEATER

Federal Supply Classification: FSC 4920 - Aircraft Maintenance and Repair Shop Specialized Equipment
National Item Identification Number: NIIN 009551057
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 4920-00-955-1057

National Stock Number (NSN) 4920-00-955-1057, or NIIN 009551057, (probe assy,heater) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 6 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, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over a year. There have been 10 contracts issued for this part number, with 10 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4A621P7311, SPE4A618PA142, SPE4A617PG766, SPE4A617P1559, SPE4A616MJ671. The total value of the awarded contracts has been US$ 271,163.84.

This NSN is somewhat common among different platforms, belonging to 2 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. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 22, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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 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 4920009551057 does not contain precious metals.

This information was last updated on May 01, 2025.

Technical Characteristics

END ITEM IDENTIFICATION: (AGAV) J85
GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) A SPECIAL "L" SHAPED PROBE CONTANING AN ELECTRICAL HEATER AND A CALIBRATED THERMOCOUPLE. THE PROBE IS DESIGNED TO SLIP OVER THE ENGINE THERMOCOUPLE HARNESS PROBE. AT LENGTH OF CABLE IS INTEGRALLY ATTACHED TO THE HEATER PROBE AND CARRIES THE HEATER POWER SUPPLY WIRES AND THE CALIBRATED THERMOCOUPLE SIGNAL. A CONNECTION AT THE OPPOSITE END OF THE CABLES MATES WITH THE BH 112JA-34 "JET CAL" USED WITH - 21C2718P010, 21C2719P010, JET CAL.; SM&R CODE PADHH3
III END ITEM IDENTIFICATION: (AGAV) J85