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Concave Washer NSN 5310-01-031-6949

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 5310-01-031-6949 NSN: 5310-01-031-6949

Features and Characteristics

Hole Diameter
1.120 inches
Radius
2.000 inches
Outside Diameter
2.000 inches
Recess Depth
0.170 inches
Material Thickness
0.370 inches
Part Name Assigned By Controlling Agency
Navy special project
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6, temper t4 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, ty1 military specification single treatment response
Style Designator
Concave
FSC
5310 Nuts And Washers
NIIN
010316949
NSN
5310010316949

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
56094-1
Cage Code:
82340
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 5310-01-031-6949
What are the manufacturers of nsn 5310010316949?
Does this nsn 5310010316949 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010316949
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 5310010316949 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010316949 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010316949?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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