NSN 4920-01-059-4517, 4920010594517
ADAPTER,PRESSURE TEST,PITOT STAT

Federal Supply Classification: FSC 4920 - Aircraft Maintenance and Repair Shop Specialized Equipment
National Item Identification Number: NIIN 010594517
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.

Availability: Request Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 4920-01-059-4517

National Stock Number (NSN) 4920-01-059-4517, or NIIN 010594517, (adapter,pressure test,pitot stat) was assigned April 12, 1978 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. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

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 16 contracts issued for this part number, with 16 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A625F8660, SPE4A624F294P, SPE4A524F3893, SPE4A523F9843, SPE4A522F5769. The total value of the awarded contracts has been US$ 198,633.85.

This NSN is unique to one weapons system.

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 Mar 26, 2010, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. 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 4920010594517 does not contain precious metals.

This information was last updated on Jul 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) ADAPTER BODY 6061-T6 AL ALLOY 5.500 IN. L,1.620 IN. DIA
END ITEM IDENTIFICATION: (AGAV) PITOT/STATIC LEAK TEST ADAPTER SET P/N 16U14571-1
REFERENCE DATA AND LITERATURE: (RDAL) T.O. 33D7-50-567-1
SPECIAL FEATURES: (FEAT) PITOT STATIC TEST ADAPTOR F16 ACFT, P/N 77900-4-6 INTERFACES WITH THE PITOT STATIC PROBE 855EG LOCATED ON THE NOSE OF THE AIRCRAFT AND WHEN INSTALLED WILL ENCLOSE THE PITOT INLET AND DRAIN HOLES TOGETHER WITH PREPARING THE STATIC SYSTEM FOR TEST; THE PRE-TEST PROBE (DUMMY PROBE) FOR 77900-4-6 IS P/N PT17790 ASSIGNE TO NSN 4920-01-371-1101