1-140-256-13

View detailed technical data, stock status, and sourcing information for: 1-140-256-13
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5365 Bushings, Rings, Shims and Spacers

National Stock Number

5365-00-779-3390

Item Name Code

24307

Assigment Date

01/01/1960 (66 years ago)

A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes:laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes:disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.

2.167 inches minimum and 2.168 inches maximum inside diameter, 125.0 microinches bore surface finish, 125.0 microinches largest outside diameter surface finish, 0.093 inches minimum and 0.095 inches maximum overall thickness, 2.340 inches nominal outside 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: 2.167 inches minimum and 2.168 inches maximum
Outside Diameter: 2.340 inches nominal
Overall Thickness: 0.093 inches minimum and 0.095 inches maximum
Surface Finish: 125.0 microinches bore
Surface Finish: 125.0 microinches largest outside diameter
Surface Finish: 63.0 microinches left side
Surface Finish: 63.0 microinches right side
Material: steel comp 4130
Material Document And Classification: ams 6371 assn std single material response
Surface Treatment: oxide
Fsc Application Data: 1. engine,acft,turbo-prop

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
1-140-256-13	Ring Spacer

FAQs

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

What is the FSCG of the NSN 5365-00-779-3390?

The FSCG of the NSN 5365-00-779-3390 is 5365

Does the NSN 5365-00-779-3390 have a Schedule B code assigned?

Yes, the Schedule B code is 7326908695

Does NSN 5365-00-779-3390 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 5365-00-779-3390 contain precious materials?

Item does not contain precious metal.

Does NSN 5365-00-779-3390 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 5365-00-779-3390 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960