ES121021-9

View detailed technical data, stock status, and sourcing information for: ES121021-9
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5975 Electrical Hardware and Supplies

National Stock Number

5975-01-422-0784

Item Name Code

29923

Assigment Date

11/21/1995 (30 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

4920-01-344-0407 end item identification, 4.000 inches nominal overall width, 7.000 inches nominal overall depth, 2.000 inches nominal center to center distance between mounting holes along width, 2.000 inches nominal center to center distance between mounting holes along depth

Product Characteristics

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

Overall Depth: 7.000 inches nominal
Overall Width: 4.000 inches nominal
Center To Center Distance Between Mounting Holes Along Width: 2.000 inches nominal
End Item Identification: 4920-01-344-0407
Center To Center Distance Between Mounting Holes Along Depth: 2.000 inches nominal
Special Features: mount for transmitter tachometer drive
Material: aluminum alloy 6061
Style Designator: flat type

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
ES121021-9	Electrical Equipme Mounting Base

FAQs

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

What is the FSCG of the NSN 5975-01-422-0784?

The FSCG of the NSN 5975-01-422-0784 is 5975

Does the NSN 5975-01-422-0784 have a Schedule B code assigned?

Yes, the Schedule B code is 8543909000

Does NSN 5975-01-422-0784 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 5975-01-422-0784 contain precious materials?

Item does not contain precious metal.

Does NSN 5975-01-422-0784 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5975-01-422-0784 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Tue, Nov 21, 1995