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Shouldered And Recessed Washer NSN 5310-00-285-8470

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 5310-00-285-8470 NSN: 5310-00-285-8470

Features and Characteristics

Hole Diameter
Between 3.150 inches and 3.152 inches
Shoulder Diameter
Between 3.515 inches and 3.525 inches
Outside Diameter
Between 3.868 inches and 3.873 inches
Shoulder Height
Between 0.201 inches and 0.202 inches
Material Thickness
Between 0.248 inches and 0.251 inches
Recess Angle
45.0 degrees
Surface Finish
8.0 microinches shoulder face
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
002858470
NSN
5310002858470

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
221289N16
Cage Code:
0AHP5
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 5310-00-285-8470
What are the manufacturers of nsn 5310002858470?
Does this nsn 5310002858470 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002858470
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 5310002858470 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310002858470 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002858470?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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