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Thrust Washer Bearing NSN 3120-00-140-4641

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 3120-00-140-4641 NSN: 3120-00-140-4641

Features and Characteristics

Cross Sectional Shape
Rectangular
Outside Diameter
Between 0.7470 inches and 0.7530 inches
Center Hole Shape
Round
Diameter
Between 0.4440 inches and 0.4480 inches
Overall Thickness
Between 0.0620 inches and 0.0630 inches
Corner Shape
Square all corners
Surface Finish
32.0 microinches right side
Lubrication Feature
Groove flat bearing surface
Special Features
2 keys opposite bearing surface 0.0520 in.H, 0.0620 in. W 180 degrees apart
Material
Copper alloy or copper alloy 260
Material Specification
Mueller 600 or 602, 99167 mfr ref all material responses or ams 4507 assn standard all material responses
Style Designator
Round
FSC
3120 Unmounted Plain Bearings
NIIN
001404641
NSN
3120001404641

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
709677
Cage Code:
99167
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 3120-00-140-4641
What are the manufacturers of nsn 3120001404641?
Does this nsn 3120001404641 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120001404641
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 3120001404641 contain any precious metals?
No precious metal content.
Does nsn 3120001404641 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120001404641?
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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