5340-00-679-3689

Find complete technical information, availability, and procurement data for: 5340-00-679-3689
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-679-3689

Item Name Code

29785

Assigment Date

01/01/1963 (63 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.

3.320 inches minimum and 3.380 inches maximum outside diameter, 0.220 inches minimum and 0.280 inches maximum flange thickness, 0.234 inches nominal hole diameter, 2.220 inches minimum and 2.280 inches maximum inside diameter, 3.063 inches nominal bolt circle diameter

Product Characteristics

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

Inside Diameter: 2.220 inches minimum and 2.280 inches maximum
Hole Diameter: 0.234 inches nominal
Bolt Circle Diameter: 3.063 inches nominal
Flange Thickness: 0.220 inches minimum and 0.280 inches maximum
Outside Diameter: 3.320 inches minimum and 3.380 inches maximum
Peripheral Shape Style: round, multi holes
Bolt Circle Hole Quantity: 6
First Recess Inside Height: 1.030 inches minimum and 1.090 inches maximum
Inside Corner Radius: 0.470 inches minimum and 0.530 inches maximum
Body Thickness: 0.440 inches nominal
Securing Device Type: threaded fastener
Mounting Opening Shape Style: unthreaded hole
Features Provided: observation facility

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
1042484	Access Cover
9092132	Access Cover

FAQs

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

What is the FSCG of the NSN 5340-00-679-3689?

The FSCG of the NSN 5340-00-679-3689 is 5340

Does NSN 5340-00-679-3689 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 5340-00-679-3689 contain precious materials?

Precious metal content is unknown

Does NSN 5340-00-679-3689 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 5340-00-679-3689 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963