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Sleeve Bushing NSN 3120-00-078-8637

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 3120-00-078-8637 NSN: 3120-00-078-8637

Features and Characteristics

Hole Diameter
0.2495 inches first and 0.2500 inches first
Overall Length
Between 1.9100 inches and 1.9200 inches
Body Outside Diameter
Between 3.3100 inches and 3.3120 inches
Body Inside Diameter
Between 2.7580 inches and 2.7600 inches
Corner Shape
Square all corners
Surface Finish
32.0 microinches outside diameter surface of body
Antirotation/lubrication Type And Quantity
1 hole
Material
Steel comp 1022
Surface Treatment
Chromium outside diameter surface of body
Surface Treatment Specification
Qq-c-320, cl 2 federal specification single treatment response outside diameter surface of body
Style Designator
Solid, plain, no outside flanges
FSC
3120 Unmounted Plain Bearings
NIIN
000788637
NSN
3120000788637

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
319321-1
Cage Code:
80020
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 3120-00-078-8637
What are the manufacturers of nsn 3120000788637?
Does this nsn 3120000788637 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120000788637
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 3120000788637 contain any precious metals?
No precious metal content.
Does nsn 3120000788637 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120000788637?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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