Concave Washer NSN 5310-00-178-0449

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: 5310-00-178-0449

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Features and Characteristics

Hole Diameter

0.750 inches

Radius

Between 0.903 inches and 0.913 inches

Outside Diameter

1.250 inches

Recess Depth

0.164 inches

Material Thickness

0.312 inches

Material

Steel comp 303

Material Specification

Astm a582, cond a assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Mil-f-14072 e300 military specification single treatment response

Style Designator

Concave

FSC

5310 Nuts And Washers

NIIN

001780449

NSN

5310001780449

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

457925-1

Cage Code:

96214

Status:

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 5310-00-178-0449

What are the manufacturers of nsn 5310001780449?

Raytheon Company (96214)

Does this nsn 5310001780449 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5310001780449
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 5310001780449 contain any precious metals?
Precious metal content is unknown.

Does nsn 5310001780449 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5310001780449?
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:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service