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Shouldered Washer NSN 5310-01-018-1445

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 5310-01-018-1445 NSN: 5310-01-018-1445

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Features and Characteristics

Hole Diameter
Between 1.005 inches and 1.010 inches
Shoulder Diameter
Between 1.235 inches and 1.265 inches
Outside Diameter
Between 1.740 inches and 1.760 inches
Material Thickness
Between 0.110 inches and 0.130 inches
Hardness Rating
Between 40.0 rockwell c and 45.0 rockwell c
Color
Black
Material
Steel comp 4140
Material Specification
Aisi assn standard single material response
Surface Treatment
Oxide film
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
010181445
NSN
5310010181445

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2618451P1
Cage Code:
10001
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 5310-01-018-1445
What are the manufacturers of nsn 5310010181445?
Does this nsn 5310010181445 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010181445
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 5310010181445 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010181445 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010181445?
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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