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Concave Washer NSN 5310-00-868-5526

Item Description

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also washer (1), convex. Excludes washer (1), recessed and bearing, washer, thrust.

NSN 5310-00-868-5526 NSN: 5310-00-868-5526

Features and Characteristics

Hole Diameter
0.810 inches
Radius
0.650 inches
Outside Diameter
Between 1.198 inches and 1.208 inches
Recess Depth
0.132 inches
Material Thickness
0.234 inches
Hardness Rating
Between 34.0 rockwell c and 41.0 rockwell c
Surface Finish
63.0 microinches top
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 1042
Material Specification
66 federal standard single material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
Style Designator
Concave
FSC
5310 Nuts And Washers
NIIN
008685526
NSN
5310008685526

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
00648-6
Cage Code:
14153
Status:
A
MSDS:
Part Number:
2935-10
Cage Code:
72962
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 5310-00-868-5526
What are the manufacturers of nsn 5310008685526?
Does this nsn 5310008685526 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310008685526
A washer which is round with a centrally located hole. one bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. see also washer (1), convex. excludes washer (1), recessed and bearing, washer, thrust.
Does nsn 5310008685526 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310008685526 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310008685526?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15930
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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