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Thrust Washer Bearing NSN 3120-00-839-5431

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 3120-00-839-5431 NSN: 3120-00-839-5431

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Features and Characteristics

Cross Sectional Shape
Rectangular
Outside Diameter
Between 1.3900 inches and 1.4100 inches
Center Hole Shape
Round
Diameter
Between 0.7650 inches and 0.7850 inches
Overall Thickness
Between 0.0595 inches and 0.0655 inches
Corner Shape
Square all corners
Hardness Rating
75.0 rockwell m
Surface Finish
16.0 microinches right side
Material
Plastic tetrafluoroethylene
Material Specification
204-011-420-1, 97499 mfr ref single material response
Style Designator
Round
FSC
3120 Unmounted Plain Bearings
NIIN
008395431
NSN
3120008395431

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
204-011-420-1
Cage Code:
97499
Status:
A
MSDS:
Part Number:
204-011-420-001
Cage Code:
97499
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 3120-00-839-5431
What are the manufacturers of nsn 3120008395431?
Does this nsn 3120008395431 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120008395431
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 3120008395431 contain any precious metals?
No precious metal content.
Does nsn 3120008395431 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120008395431?
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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