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Concave Washer NSN 5310-00-791-1638

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 5310-00-791-1638 NSN: 5310-00-791-1638

Features and Characteristics

Hole Diameter
Between 0.201 inches and 0.202 inches
Radius
0.188 inches
Outside Diameter
0.312 inches
Material Thickness
Between 0.062 inches and 0.063 inches
Hardness Rating
Between 40.0 rockwell c and 48.0 rockwell c
Color
Black
Material
Steel comp 630
Surface Treatment
Oxide
Style Designator
Concave
FSC
5310 Nuts And Washers
NIIN
007911638
NSN
5310007911638

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SC-C-61466
Cage Code:
80063
Status:
A
MSDS:
Part Number:
66331
Cage Code:
27777
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 5310-00-791-1638
What are the manufacturers of nsn 5310007911638?
Does this nsn 5310007911638 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310007911638
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 5310007911638 contain any precious metals?
No precious metal content.
Does nsn 5310007911638 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310007911638?
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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