2121740

2121740 Keyway Washer

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Datasheet. 2121740 specification

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

1.937in. ⁓1-15/16"

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.

2.5in.

Shoulder Height

0.312in.

Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

60.0 rockwell c and 64.0 rockwell c

Part Name Assigned By Controlling Agency
The name assigned to the item by the government agency or commercial organization controlling the design of the item.

key block, cylinder barrel

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

steel comp 4620

Answers.

What material is the keyway washer made of ?

Steel comp 4620

What is the outside diameter?

2.5 inches

What is the NSN for 2121740?

5310-01-595-0219

How is this classified for shipping?

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

What's the federal classification of 2121740?

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 5310-01-595-0219 WASHER,KEYWAY

key block, cylinder barrel 2.5" outside diameter 1.937" overall length

NIIN
015950219
NIIN Date
04/25/11
Schedule B
7318220000 
Name Code
06158
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

  • - Republic of Korea 

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Similar by Design Other washers with similar characteristics

Nothing similar to this part number was found in our inventory

2121740 / Washer,keywayWhat is the formal definition of this item?

A washer of nonresilient material usually having two parallel bearing surfaces. the outside and/or inside edges have one or more notches. excludes thrust type washers.