NAS537-4P51

View detailed technical data, stock status, and sourcing information for: NAS537-4P51

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NAS537-4P51
Federal Supply Group
Bearings
Federal Supply Classification
3120 Unmounted Plain Bearings
National Stock Number
3120-00-372-6359
Item Name Code
13206
Assigment Date
03/12/1974 (52 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.

chamfered inside left corner corner shape, 0.2380 inches minimum and 0.2430 inches maximum body inside diameter, 0.3756 inches minimum and 0.3761 inches maximum body outside diameter, 0.5050 inches minimum and 0.5100 inches maximum overall length, chamfered inside right corner corner shape

Product Characteristics

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

Overall Length
0.5050 inches minimum and 0.5100 inches maximum
Body Outside Diameter
0.3756 inches minimum and 0.3761 inches maximum
Body Inside Diameter
0.2380 inches minimum and 0.2430 inches maximum
Corner Shape
chamfered inside left corner
Corner Shape
chamfered inside right corner
Corner Shape
square outside left corner
Corner Shape
square outside right corner
Surface Finish
125.0 microinches left end surface of body
Surface Finish
125.0 microinches right end surface of body
Surface Finish
250.0 microinches inside diameter surface of body
Surface Finish
63.0 microinches outside diameter surface of body
Material
steel comp 4130 overall
Surface Treatment
cadmium overall
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Style Designator
solid, plain, no outside flanges
Specification/Standard Data
80205-nas537 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
3120-01-330-2412 No Name Available 08/01/1992

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
NAS537-4P051 Sleeve Bushing
NAS537-4P51 Sleeve Bushing
SS4045-4P51 Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-372-6359?
The FSCG of the NSN 3120-00-372-6359 is 3120
Does the NSN 3120-00-372-6359 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997060
Does NSN 3120-00-372-6359 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 3120-00-372-6359 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-372-6359 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 3120-00-372-6359 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Tue, Mar 12, 1974

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