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Shouldered Washer NSN 5310-01-164-8543

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 5310-01-164-8543 NSN: 5310-01-164-8543

Features and Characteristics

Hole Diameter
Between 0.3120 inches and 0.3130 inches
Shoulder Diameter
Between 0.4385 inches and 0.4390 inches
Outside Diameter
0.562 inches
Shoulder Height
Between 0.089 inches and 0.099 inches
Material Thickness
Between 0.061 inches and 0.062 inches
Surface Finish
63.0 microinches inner
Material
Steel comp 630
Material Specification
Ams 5643 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
011648543
NSN
5310011648543

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
LD137-0040-0503
Cage Code:
43999
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 5310-01-164-8543
What are the manufacturers of nsn 5310011648543?
Does this nsn 5310011648543 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011648543
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 5310011648543 contain any precious metals?
No precious metal content.
Does nsn 5310011648543 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011648543?
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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  •   Certificate of Conformance
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