04306-0690

View detailed technical data, stock status, and sourcing information for: 04306-0690
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-448-3631

Item Name Code

61446

Assigment Date

01/04/1971 (55 years ago)

6.620 inches pipe outside diameter accommodated, steel corrosion resisting material

Product Characteristics

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

Pipe Outside Diameter Accommodated: 6.620 inches
Material: steel corrosion resisting

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2990-00-621-6924	No Name Available	11/01/1978

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
04306-0690	Muffler- Protective Cap Assembly
2870616	Muffler- Protective Cap Assembly
3R7698	Muffler- Protective Cap Assembly
70-4204	Muffler- Protective Cap Assembly
9125-1026	Muffler- Protective Cap Assembly
FB5019	Muffler- Protective Cap Assembly
SIZE20	Muffler- Protective Cap Assembly

FAQs

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

What is the FSCG of the NSN 2990-00-448-3631?

The FSCG of the NSN 2990-00-448-3631 is 2990

Does the NSN 2990-00-448-3631 have a Schedule B code assigned?

Yes, the Schedule B code is 8412909080

Does NSN 2990-00-448-3631 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 2990-00-448-3631 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-448-3631 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 2990-00-448-3631 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Jan 4, 1971