25499

View detailed technical data, stock status, and sourcing information for: 25499
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-776-8263

Item Name Code

13206

Assigment Date

01/01/1962 (64 years ago)

An item designed to fit over a packing gland by mating with a surface of a second part which together will retain into a narrow groove or confined space the packing, preformed or o-ring, or an item designed to fit over a rod or shaft, to mate with a stuffing box to confine packing material. It may function as a static or dynamic seal retainer with the packing located on, around, or in the centerline direction of the rod or shaft axis. It may have holes or joints for mounting, be threaded or unthreaded. See also packing nut and packing nut, stuffing tube.

0.4500 inches minimum and 0.4600 inches maximum flange outside diameter, 0.2650 inches nominal overall length, 0.3120 inches minimum and 0.3126 inches maximum body inside diameter, 0.3900 inches minimum and 0.3960 inches maximum body outside diameter, 0.0430 inches minimum and 0.0490 inches maximum flange width

Product Characteristics

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

Overall Length: 0.2650 inches nominal
Body Outside Diameter: 0.3900 inches minimum and 0.3960 inches maximum
Body Inside Diameter: 0.3120 inches minimum and 0.3126 inches maximum
Flange Outside Diameter: 0.4500 inches minimum and 0.4600 inches maximum
Flange Width: 0.0430 inches minimum and 0.0490 inches maximum
Corner Shape: square left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Surface Finish: 16.0 microinches outside diameter surface of body
Surface Finish: 32.0 microinches left end surface of body and flange
Material: steel comp 304 overall
Style Designator: solid, external flange one end

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
01T500-181	Sleeve Bushing
25499	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-776-8263?

The FSCG of the NSN 3120-00-776-8263 is 3120

Does the NSN 3120-00-776-8263 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-776-8263 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 3120-00-776-8263 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-776-8263 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 3120-00-776-8263 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962