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Shouldered Washer NSN 5310-01-121-8527

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 5310-01-121-8527 NSN: 5310-01-121-8527

Features and Characteristics

Hole Diameter
5.482 inches
Shoulder Diameter
Between 6.008 inches and 6.009 inches
Outside Diameter
6.300 inches
Shoulder Height
1.090 inches
Material Thickness
Between 0.245 inches and 0.255 inches
Hardness Rating
Between 26.0 rockwell c and 32.0 rockwell c
Special Features
Chamfered outside on left side of boss 15.0 degrees, length of chamfer 0.060 in.
Material
Steel comp 4140
Material Specification
Sae assn standard single material response
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
011218527
NSN
5310011218527

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12268099
Cage Code:
19207
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 5310-01-121-8527
What are the manufacturers of nsn 5310011218527?
Does this nsn 5310011218527 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011218527
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 5310011218527 contain any precious metals?
No precious metal content.
Does nsn 5310011218527 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011218527?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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