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Shouldered Washer NSN 5310-00-089-9808

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 5310-00-089-9808 NSN: 5310-00-089-9808

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Features and Characteristics

Hole Diameter
Between 0.6875 inches and 0.6890 inches
Shoulder Diameter
Between 0.876 inches and 0.877 inches
Outside Diameter
Between 1.052 inches and 1.072 inches
Shoulder Height
Between 0.075 inches and 0.085 inches
Material Thickness
Between 0.057 inches and 0.062 inches
Hardness Rating
Between 32.0 rockwell c and 37.0 rockwell c
Surface Finish
100.0 microinches all surfaces
Material
Steel or steel comp 4130
Material Specification
Mil-s-6758 military specification single material response or sae assn standard single material response
Surface Treatment
Chromium
Surface Treatment Specification
Qq-c-320, type 2, class 2 federal specification single treatment response
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
000899808
NSN
5310000899808

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
76008-87
Cage Code:
12116
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 5310-00-089-9808
What are the manufacturers of nsn 5310000899808?
Does this nsn 5310000899808 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310000899808
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 5310000899808 contain any precious metals?
No precious metal content.
Does nsn 5310000899808 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310000899808?
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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