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Concave Washer NSN 5310-01-440-3576

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 5310-01-440-3576 NSN: 5310-01-440-3576

Features and Characteristics

Hole Diameter
Between 0.338 inches and 0.347 inches
Radius
0.040 inches
Outside Diameter
1.000 inches
Material Thickness
Between 0.075 inches and 0.085 inches
Material
Steel comp 630
Material Specification
Ams 5643 assn standard single material response or ams 5604 assn standard single material response
Surface Treatment
Passivate and oxide
Surface Treatment Specification
Qq-p-35 federal specification single treatment response and mil-c-13924 military specification single treatment response
Style Designator
Concave
FSC
5310 Nuts And Washers
NIIN
014403576
NSN
5310014403576

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3141AS287-501
Cage Code:
30003
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 5310-01-440-3576
What are the manufacturers of nsn 5310014403576?
Does this nsn 5310014403576 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310014403576
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 5310014403576 contain any precious metals?
No precious metal content.
Does nsn 5310014403576 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310014403576?
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
  •   Quality Fast Service
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