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Shouldered Washer NSN 5310-00-163-9404

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 5310-00-163-9404 NSN: 5310-00-163-9404

Features and Characteristics

Hole Diameter
0.330 inches
Shoulder Diameter
0.470 inches
Outside Diameter
0.750 inches
Shoulder Height
Between 0.035 inches and 0.045 inches
Material Thickness
0.120 inches
Hardness Rating
Between 25.0 rockwell c and 32.0 rockwell c
Part Name Assigned By Controlling Agency
Navy special project
Special Features
Chamfer on nonbearing surface of shoulder, 0.060 in. By 45 deg
Heat Treatment
As fabricated
Material
Steel comp 4130
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
001639404
NSN
5310001639404

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
176524
Cage Code:
71791
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 5310-00-163-9404
What are the manufacturers of nsn 5310001639404?
Does this nsn 5310001639404 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310001639404
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 5310001639404 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310001639404 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310001639404?
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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