313298

313298 Convex Washer

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Datasheet. 313298 specification

Hole Diameter
The length of a straight line which passes through the center of a hole,and terminates at the circumference.

0.256in. and 0.258in. ⁓17/64"

Outside Diameter
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.

0.445in. and 0.455in.

Material Thickness
A measurement of the smallest dimension of the material,in distinction from length or width.

0.157in. and 0.159in.

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel comp 303

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

QQ-S-764 fed spec single material response

Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

passivate

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

MIL-S-5002 mil spec single treatment response

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

convex

Answers.

What is the style?

Convex

What material is the convex washer made of ?

Steel comp 303

What is the thickness?

0.157 inches minimum and 0.159 inches maximum

What is the outside diameter?

0.445 inches minimum and 0.455 inches maximum

What is the inside hole diameter?

0.256 inches minimum and 0.258 inches maximum

What is the NSN for 313298?

5310-01-171-9892

How is this classified for shipping?

Schedule B number: 7318220000
Washers other than lock washers, iron or steel

What's the federal classification of 313298?

FSC 5310 ⁓ Nuts and washers

Note-nuts and washers, including specially designed, are to be classified in this fsc. a. nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. washers are a perforated piece of metal, leather, or other materials of various shapes or forms. they are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.

Excluding bearing thrust washers (fsc 3120); shims (fsc 5365); ring spacers (fsc 5365); plate spacers (fsc 5365); lock rings (fsc 5365).

NSN 5310-01-171-9892 WASHER,CONVEX

convex passivate surface treated 0.157" material thickness 0.445" outside diameter 0.256" hole diameter

NIIN
011719892
NIIN Date
02/15/84
Schedule B
7318220000 
Name Code
15931
FIIG
A022B0
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Saudi Arabia 
  • - Malaysia 

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Similar by Design Other washers with similar characteristics

Nothing similar to this part number was found in our inventory

313298 / Washer,convexWhat is the formal definition of this item?

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 raised to form a curved or spherical contour. see also washer (1), concave. excludes bearing, washer thrust.