NAS538-6-81

View detailed technical data, stock status, and sourcing information for: NAS538-6-81

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NAS538-6-81
Federal Supply Group
Bearings
Federal Supply Classification
3120 Unmounted Plain Bearings
National Stock Number
3120-00-947-4409
Item Name Code
13206
Assigment Date
03/28/1966 (60 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.

0.6150 inches minimum and 0.6350 inches maximum flange outside diameter, 0.8600 inches minimum and 0.8700 inches maximum overall length, 0.5006 inches minimum and 0.5013 inches maximum body outside diameter, 0.0550 inches minimum and 0.0600 inches maximum flange width, 0.3590 inches minimum and 0.3660 inches maximum body inside diameter

Product Characteristics

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

Overall Length
0.8600 inches minimum and 0.8700 inches maximum
Body Outside Diameter
0.5006 inches minimum and 0.5013 inches maximum
Body Inside Diameter
0.3590 inches minimum and 0.3660 inches maximum
Flange Outside Diameter
0.6150 inches minimum and 0.6350 inches maximum
Flange Width
0.0550 inches minimum and 0.0600 inches maximum
Corner Shape
chamfered inside left corner
Corner Shape
chamfered inside right corner
Corner Shape
square left flange outside right corner
Corner Shape
square outside left corner
Corner Shape
square outside right corner
Corner Shape
undercut left flange body corner
Special Features
id and od to be parallel and concentric within 0.0030 tir
Material
steel comp 4130 or steel comp 8630 overall
Material Document And Classification
mil-s-6758 mil spec 1st material response or mil-s-6050 mil spec 2nd material response overall
Style Designator
solid, external flange one end
Specification/Standard Data
80205-nas538 professional/industrial association standard

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
NAS538-6-81 Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-947-4409?
The FSCG of the NSN 3120-00-947-4409 is 3120
Does the NSN 3120-00-947-4409 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997060
Does NSN 3120-00-947-4409 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 3120-00-947-4409 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-947-4409 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 3120-00-947-4409 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Mon, Mar 28, 1966

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