A1146

View detailed technical data, stock status, and sourcing information for: A1146

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A1146
Federal Supply Group
Engine Accessories
National Stock Number
2990-00-770-4110
Item Name Code
77777
Assigment Date
01/01/1960 (66 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.

2990-00-770-4110, muffler

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
7704110 Muffler
A1146 Muffler
GPW5230 Muffler
GPW5230A Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-770-4110?
The FSCG of the NSN 2990-00-770-4110 is 2990
Does NSN 2990-00-770-4110 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 2990-00-770-4110 contain precious materials?
Precious metal content is unknown
Does NSN 2990-00-770-4110 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 2990-00-770-4110 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

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