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Thrust Washer Bearing NSN 3120-01-328-1579

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 3120-01-328-1579 NSN: 3120-01-328-1579

Features and Characteristics

Cross Sectional Shape
Counterbored
Counterbore Diameter
Between 1.1875 inches and 1.1885 inches
Counterbore Depth
Between 0.2500 inches and 0.2550 inches
Width Across Flats
2.0000 inches
Center Hole Shape
Round
Diameter
Between 1.0320 inches and 1.0520 inches
Overall Thickness
0.4060 inches
Corner Shape
Square all corners
Material
Steel
Material Specification
Astm a710, class 3, grade a assn standard single material response
Surface Condition
Ground
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Hexagon
FSC
3120 Unmounted Plain Bearings
NIIN
013281579
NSN
3120013281579

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
17G131003-501
Cage Code:
88277
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 3120-01-328-1579
What are the manufacturers of nsn 3120013281579?
Does this nsn 3120013281579 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120013281579
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 3120013281579 contain any precious metals?
No precious metal content.
Does nsn 3120013281579 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120013281579?
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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