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Thrust Washer Bearing NSN 3120-00-737-5251

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 3120-00-737-5251 NSN: 3120-00-737-5251

Features and Characteristics

Cross Sectional Shape
Rectangular
Outside Diameter
2.6250 inches
Center Hole Shape
Rectangular
Overall Thickness
0.2190 inches
Center Hole Length
0.6250 inches
Center Hole Width
0.2500 inches
Corner Shape
Square all corners
Hardness Rating
27.0 rockwell c and 34.0 rockwell c
Surface Finish
63.0 microinches right side
Material
Steel comp 1045 or steel comp 1050
Style Designator
Round
FSC
3120 Unmounted Plain Bearings
NIIN
007375251
NSN
3120007375251

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7375251
Cage Code:
19207
Status:
A
MSDS:
Part Number:
1829J608
Cage Code:
3D6E9
Status:
A
MSDS:
Part Number:
3120007375251
Cage Code:
SCY13
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 3120-00-737-5251
What are the manufacturers of nsn 3120007375251?
Does this nsn 3120007375251 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120007375251
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 3120007375251 contain any precious metals?
No precious metal content.
Does nsn 3120007375251 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120007375251?
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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