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Sleeve Bushing NSN 3120-01-283-9921

Item Description

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.

NSN 3120-01-283-9921 NSN: 3120-01-283-9921

Features and Characteristics

Hole Diameter
0.3750 inches first
Overall Length
6.0000 inches
Body Outside Diameter
6.1120 inches
Body Inside Diameter
Between 5.2550 inches and 5.2570 inches
Flange Outside Diameter
Between 6.9400 inches and 6.9540 inches
Flange Width
Between 0.4950 inches and 0.4980 inches
Lubricant Accommodation Style
Grooved circular
Corner Shape
Square all corners
Surface Finish
63.0 microinches outside diameter surface of flange
Antirotation/lubrication Type And Quantity
4 hole
Surface Groove Location And Quantity
2 external
Special Features
Four holes 0.3750 dp eql spaced 90 degrees countersunk to .21 diameter 10-24 unc-2b 5/16 min full thd depth
Material
Copper alloy 903
Material Specification
Qq-c-390, type 3 federal specification single material response
Style Designator
22c solid, external flange one end
FSC
3120 Unmounted Plain Bearings
NIIN
012839921
NSN
3120012839921

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
518-4496071 PART 13
Cage Code:
80064
Status:
A
MSDS:
Part Number:
2010-147 PART 13
Cage Code:
43689
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8482997060
  • NAICS: 332991
  • SITC: 74699
  • Description: Parts, nesoi, for cylindrical roller bearings, nesoi
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 3120-01-283-9921
What are the manufacturers of nsn 3120012839921?
Does this nsn 3120012839921 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120012839921
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.
Does nsn 3120012839921 contain any precious metals?
No precious metal content.
Does nsn 3120012839921 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120012839921?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
13206
FIIG:
A045A0
App. Key:
K
Cond. Code:
2
Status:
A

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