4B7271

4B7271 Key Washer

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Datasheet. 4B7271 specification

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

1.625in. ⁓1-5/8"

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.

2.0625in.

External Straight Key Width

0.3125in.

Internal Straight Key Width
The measurement from one flat surface of the key to the opposite flat surface.

0.28125in.

Distance From Centerline To Top Of Internal Key

0.625in.

Overall Distance Including Keys

2.6875in.

External Key Quantity

4

Internal Key Quantity
The number of internal keys included.

3

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

0.065in.

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

internal keys tapered, 0.469 in. major width, 0.312 in. minor width, external keys unequally spaced, first key opposite one internal key, 68 degree angle between first and second key, 112 degree agle between second and third key, 68 degree angle between third and fourth key

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

steel

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

key

Answers.

What is the style?

Key

What material is the key washer made of ?

Steel

What is the thickness?

0.065 inches

What is the outside diameter?

2.0625 inches

What is the inside hole diameter?

1.625 inches

What is the NSN for 4B7271?

5310-00-282-0496

How is this classified for shipping?

Schedule B number: 7318220000
nmfc 194160
Washers other than lock washers, iron or steel

What's the federal classification of 4B7271?

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 5310-00-282-0496 WASHER,KEY

key internal keys tapered, 0.469 in. major width, 0.312 in. minor width, external keys unequally spaced, first key opposite one internal key, 68 degree angle between first 0.065" material thickness 2.0625" outside diameter 1.625" hole diameter

NIIN
002820496
NIIN Date
01/01/61
Schedule B
7318220000 
Name Code
01869
FIIG
A022B0
Item Weight
3.000lbs
Item Dimensions
QUP
 
Historical Price
$0.88 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Kuwait 
  • - Greece 
  • - Turkey 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
50.0 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Metal hardware 
NMFC (national motor freight code)
194160 WASHER OR GASKETS, IRON OR STEEL, 
UFC (universal freight code)
55210 

Similar by Design Other washers with similar characteristics

Nothing similar to this part number was found in our inventory

4B7271 / Washer,keyWhat 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 protuberances. the ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. the keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. excludes thrust type washer.