2990-01-046-1170

Find complete technical information, availability, and procurement data for: 2990-01-046-1170
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-01-046-1170

Item Name Code

10849

Assigment Date

08/13/1977 (49 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

2990-01-046-1170, exhaust muffler

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2990-01-105-9306	No Name Available	10/01/1989
2990-01-156-8370	No Name Available	12/01/1987
2990-01-158-4574	No Name Available	02/01/1989
2990-01-225-1052	No Name Available	04/01/2003

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
14033594	Exhaust Muffler
14034894	Exhaust Muffler
14063795	Exhaust Muffler
14089132	Exhaust Muffler
14095600	Exhaust Muffler
21910	Exhaust Muffler
2943	Exhaust Muffler
2990010461170	Exhaust Muffler
357399	Exhaust Muffler
474206	Exhaust Muffler
ZD010	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-01-046-1170?

The FSCG of the NSN 2990-01-046-1170 is 2990

Does the NSN 2990-01-046-1170 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-01-046-1170 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 2990-01-046-1170 contain precious materials?

Precious metal content is unknown

Does NSN 2990-01-046-1170 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 2990-01-046-1170 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sat, Aug 13, 1977