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Shouldered And Recessed Washer NSN 5310-00-238-3133

Item Description

A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. 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 5310-00-238-3133 NSN: 5310-00-238-3133

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Features and Characteristics

Hole Diameter
Between 0.323 inches and 0.327 inches
Shoulder Diameter
0.437 inches
Outside Diameter
0.750 inches
Recess Diameter
0.437 inches
Shoulder Height
0.057 inches
Material Thickness
0.063 inches
Surface Finish
40.0 microinches top
Special Features
Hole opposite shoulder chamfered 0.062 in. By 45 deg
Material
Copper alloy 482
Material Specification
Qq-b-637 federal specification single material response
Style Designator
Shouldered and recessed
Test Data Document
98230-0n009808 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
FSC
5310 Nuts And Washers
NIIN
002383133
NSN
5310002383133

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
0N009808
Cage Code:
98230
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7616108000
  • NAICS: 332722
  • SITC: 69440
  • Description: Cotters, cotter-pins, washers and similar articles, of aluminum
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-238-3133
What are the manufacturers of nsn 5310002383133?
Does this nsn 5310002383133 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002383133
A washer, round in shape, having a centrally located hole. one bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. 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 5310002383133 contain any precious metals?
No precious metal content.
Does nsn 5310002383133 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002383133?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15935
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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