Concave Washer NSN 5310-01-291-4017

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: 5310-01-291-4017

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Features and Characteristics

Hole Diameter

Between 0.358 inches and 0.364 inches

Radius

Between 0.300 inches and 0.305 inches

Outside Diameter

Between 0.505 inches and 0.515 inches

Material Thickness

Between 0.113 inches and 0.123 inches

Hardness Rating

Between 38.0 rockwell c and 44.0 rockwell c

Material

Steel comp 8740 or steel comp 4037

Material Specification

Mil-s-6049 military specification 1st material response and mil-s-8695 military specification 2nd material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416 ty2 cl2 federal specification 1st treatment response

Style Designator

Concave

FSC

5310 Nuts And Washers

NIIN

012914017

NSN

5310012914017

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

K19701-4

Cage Code:

15653

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 5310-01-291-4017

What are the manufacturers of nsn 5310012914017?

Arconic Global Fasteners & Rings, (15653)

Does this nsn 5310012914017 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5310012914017
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 5310012914017 contain any precious metals?
Precious metal content is unknown.

Does nsn 5310012914017 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5310012914017?
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:

What do you get when you order from nationalstocknumber.org?

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