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Shouldered Washer NSN 5310-00-238-1064

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 5310-00-238-1064 NSN: 5310-00-238-1064

Features and Characteristics

Hole Diameter
Between 2.730 inches and 2.750 inches
Shoulder Diameter
Between 2.890 inches and 2.910 inches
Outside Diameter
Between 3.333 inches and 3.343 inches
Shoulder Height
Between 0.300 inches and 0.322 inches
Material Thickness
Between 0.080 inches and 0.100 inches
Material
Steel comp 303 or steel comp 321
Material Specification
Qq-s-764 federal specification 1st material response and ams 5645 mfr ref 2nd 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
002381064
NSN
5310002381064

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
68419
Cage Code:
93835
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 5310-00-238-1064
What are the manufacturers of nsn 5310002381064?
Does this nsn 5310002381064 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002381064
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 5310002381064 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310002381064 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002381064?
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
  •   Quality Inspected Parts
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