4M45-7-37

Comprehensive specifications and application details for: 4M45-7-37 Sleeve Bushing.

Summary

Explore detailed summary information for bearing: 4M45-7-37. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
4M45-7-37
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-343-4899
Item Name Code
13206
Federal Item Identification Guide
A045A0
Assigment Date
01/20/1974

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.

0.4310 inches minimum and 0.4325 inches maximum body inside diameter, square left flange outside right corner corner shape, chamfered inside right corner corner shape, 0.5641 inches minimum and 0.5648 inches maximum body outside diameter, chamfered inside left corner corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-343-4899 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
0.4310 inches minimum and 0.4325 inches maximum
Body Outside Diameter
0.5641 inches minimum and 0.5648 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
Flange Outside Diameter
0.6770 inches minimum and 0.6970 inches maximum
Flange Width
0.0600 inches minimum and 0.0620 inches maximum
Overall Length
0.4250 inches minimum and 0.4370 inches maximum
Material
steel comp 4130 or steel comp 8630 overall
Specification/Standard Data
76301-4-45 manufacturers standard
Style Designator
solid, external flange one end
Surface Finish
125.0 microinches outside diameter surface of body
Surface Finish
125.0 microinches outside diameter surface of flange
Surface Finish
125.0 microinches left end surface of body and flange
Surface Finish
125.0 microinches right end surface of body
Surface Finish
125.0 microinches right end surface of left flange
Surface Finish
63.0 microinches inside diameter surface of body
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Surface Treatment
cadmium overall

Frequently Asked Questions

Find quick answers to common questions about bearing: 4M45-7-37. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-343-4899?
The FSCG of the NSN 3120-00-343-4899 is 3120
Does the NSN 3120-00-343-4899 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997060
Does NSN 3120-00-343-4899 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 3120-00-343-4899 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-343-4899 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 3120-00-343-4899 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Sun, Jan 20, 1974

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