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Thrust Washer Bearing NSN 3120-00-776-7490

Item Description

An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.

NSN 3120-00-776-7490 NSN: 3120-00-776-7490

Features and Characteristics

Cross Sectional Shape
Counterbored
Counterbore Diameter
Between 3.0930 inches and 3.0950 inches
Counterbore Depth
Between 0.0940 inches and 0.0990 inches
Outside Diameter
Between 3.2310 inches and 3.2330 inches
Center Hole Shape
Round
Diameter
Between 3.0625 inches and 3.0781 inches
Overall Thickness
Between 0.1710 inches and 0.1760 inches
Bearing Surface Hole Quantity
6 first
Bearing Surface Hole Diameter
0.1250 inches first
Corner Shape
Square third inside corner
Material
Copper alloy
Surface Condition
Ground
Style Designator
Round
FSC
3120 Unmounted Plain Bearings
NIIN
007767490
NSN
3120007767490

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7767490
Cage Code:
19207
Status:
A
MSDS:
Part Number:
835865
Cage Code:
99551
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8482105008
  • NAICS: 332991
  • SITC: 74610
  • Description: Thrust ball bearings
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 3120-00-776-7490
What are the manufacturers of nsn 3120007767490?
Does this nsn 3120007767490 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120007767490
An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. it is designed for applications involving moving (kinetic) loads. except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. the thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). excludes straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. see also washer, flat and spacer, sleeve.
Does nsn 3120007767490 contain any precious metals?
Precious metal content is unknown.
Does nsn 3120007767490 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120007767490?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
13211
FIIG:
A045A0
App. Key:
L
Cond. Code:
1
Status:
A

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