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Thrust Washer Bearing NSN 3120-00-340-4423

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 3120-00-340-4423 NSN: 3120-00-340-4423

Features and Characteristics

Cross Sectional Shape
Rectangular
Outside Diameter
Between 0.2560 inches and 0.2610 inches
Center Hole Shape
Round
Diameter
Between 0.1880 inches and 0.1900 inches
Overall Thickness
Between 0.0205 inches and 0.0215 inches
Corner Shape
Square all corners
Surface Finish
63.0 microinches largest outside diameter
Special Features
Faces parallel within 0.0002 in.
Material
Steel comp 302 or steel comp 410 or steel comp 420 or steel comp 303 or steel comp 416
Material Specification
Astm a582 assn standard all material responses
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Round
FSC
3120 Unmounted Plain Bearings
NIIN
003404423
NSN
3120003404423

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
04P237894-21
Cage Code:
98738
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 3120-00-340-4423
What are the manufacturers of nsn 3120003404423?
Does this nsn 3120003404423 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120003404423
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 3120003404423 contain any precious metals?
No precious metal content.
Does nsn 3120003404423 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120003404423?
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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