Concave Washer NSN 5310-01-279-2153

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: 5310-01-279-2153

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Features and Characteristics

Hole Diameter

Between 0.433 inches and 0.439 inches

Radius

Between 0.375 inches and 0.380 inches

Outside Diameter

Between 0.650 inches and 0.660 inches

Recess Depth

0.092 inches

Material Thickness

Between 0.150 inches and 0.160 inches

Hardness Rating

Between 38.0 rockwell c and 44.0 rockwell c

Material

Steel comp 8740 or steel comp e4340

Material Specification

Mil-s-6049 military specification 1st material response or mil-s-5000 military specification 2nd material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Q-p-416, type 2, cl 2 federal specification single treatment response

Style Designator

Concave

FSC

5310 Nuts And Washers

NIIN

012792153

NSN

5310012792153

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

K52207P-5

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 5310-01-279-2153

What are the manufacturers of nsn 5310012792153?

Arconic Global Fasteners & Rings, (15653)
Arconic Global Fasteners & Rings, (75237)

Does this nsn 5310012792153 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5310012792153
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 5310012792153 contain any precious metals?
No precious metal content.

Does nsn 5310012792153 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5310012792153?
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