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Shouldered Washer NSN 5310-00-544-5950

Item Description

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

NSN 5310-00-544-5950 NSN: 5310-00-544-5950

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Features and Characteristics

Hole Diameter
Between 1.005 inches and 1.010 inches
Shoulder Diameter
Between 1.177 inches and 1.197 inches
Outside Diameter
Between 2.865 inches and 2.885 inches
Shoulder Height
Between 0.015 inches and 0.035 inches
Material Thickness
Between 0.090 inches and 0.110 inches
Surface Finish
100.0 microinches all surfaces
Special Features
Inside diameter of shoulder and one side outside diameter has 0.031 inch by 45 degree chamfer, radius 0.052 in. Min 0.072 in. Max
Material
Steel comp 302
Material Specification
Qq-s-766 cond e federal specification single material response
Surface Treatment
Passivate
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
005445950
NSN
5310005445950

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
73639
Cage Code:
24930
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318220000
  • NAICS: 332722
  • SITC: 69422
  • Description: Washers other than lock washers, iron or steel
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-544-5950
What are the manufacturers of nsn 5310005445950?
Does this nsn 5310005445950 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310005445950
A washer, round in shape, and having a centrally located hole. one bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. the thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. for items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. excludes insulator, washer and thrust type washers.
Does nsn 5310005445950 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310005445950 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310005445950?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15934
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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