2990-01-412-6821

Find complete technical information, availability, and procurement data for: 2990-01-412-6821
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-01-412-6821

Item Name Code

39921

Assigment Date

04/26/1995 (31 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

part of emissions control system special features

Product Characteristics

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

Special Features: part of emissions control system

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5905-01-447-7763	No Name Available	01/01/2006

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
2272860	Engine Coolant Temperatur Sensor
23512880	Engine Coolant Temperatur Sensor
23520380	Engine Coolant Temperatur Sensor
5022-02187-01	Engine Coolant Temperatur Sensor
8A 6638	Engine Coolant Temperatur Sensor
8A06638	Engine Coolant Temperatur Sensor
DDC/23512880	Engine Coolant Temperatur Sensor

FAQs

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

What is the FSCG of the NSN 2990-01-412-6821?

The FSCG of the NSN 2990-01-412-6821 is 2990

Does the NSN 2990-01-412-6821 have a Schedule B code assigned?

Yes, the Schedule B code is 8409918000

Does NSN 2990-01-412-6821 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 2990-01-412-6821 contain precious materials?

Item does not contain precious metal.

Does NSN 2990-01-412-6821 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 2990-01-412-6821 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Apr 26, 1995