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Concave Washer NSN 5310-01-005-0496

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 5310-01-005-0496 NSN: 5310-01-005-0496

Features and Characteristics

Hole Diameter
Between 0.325 inches and 0.335 inches
Radius
Between 0.250 inches and 0.280 inches
Outside Diameter
Between 0.464 inches and 0.474 inches
Material Thickness
Between 0.108 inches and 0.118 inches
Material
Steel
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
010050496
NSN
5310010050496

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3M139-4
Cage Code:
76301
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 5310-01-005-0496
What are the manufacturers of nsn 5310010050496?
Does this nsn 5310010050496 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010050496
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 5310010050496 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010050496 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010050496?
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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