2990-00-550-6803

Find complete technical information, availability, and procurement data for: 2990-00-550-6803
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-550-6803

Item Name Code

77777

Assigment Date

10/20/1974 (51 years ago)

A thermometer which has a bimetallic substance, whose measurable physical properties, or one of them, change with variation in temperature and self-indicate the temperature to a division or number on a graduated scale(s).

1 nut p/n 1s1770,1 wheel p/n 3s1422,1 ring p/n 9m8919,1 plate assembly p/n 9m8918,4drive screws p/n 2f808,1 nameplate p/n 1s4135,1 housing assembly p/n 4n5650,6 bolts 1s9169,3 plates 1s9172,1 shroud 9s800,3 rings 9m8915,1 wheel and shaft assembly 8s1341,1 ring 4n5652,1 bearing 9m8917,1 collar 5s2884,1 seal 5m3038,4 machine screw 7m9831,4 plates 7m9888,1 spacer 9s4835 general characteristics item description

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

General Characteristics Item Description: 1 nut p/n 1s1770,1 wheel p/n 3s1422,1 ring p/n 9m8919,1 plate assembly p/n 9m8918,4drive screws p/n 2f808,1 nameplate p/n 1s4135,1 housing assembly p/n 4n5650,6 bolts 1s9169,3 plates 1s9172,1 shroud 9s800,3 rings 9m8915,1 wheel and shaft assembly 8s1341,1 ring 4n5652,1 bearing 9m8917,1 collar 5s2884,1 seal 5m3038,4 machine screw 7m9831,4 plates 7m9888,1 spacer 9s4835

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2990-00-161-0393	No Name Available	07/01/1979

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
118003	Cartridge Assembly
407329-500013	Cartridge Assembly
4N5647	Cartridge Assembly
IPD4N5647	Cartridge Assembly

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 2990-00-550-6803?

The FSCG of the NSN 2990-00-550-6803 is 2990

Does NSN 2990-00-550-6803 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 2990-00-550-6803 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-550-6803 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 2990-00-550-6803 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Sun, Oct 20, 1974