X7-2B

X72B Lock Washer

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Quality Commitment

Serving our customers with quality and safety first.

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  •   Audited supply chain
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Datasheet. X7-2B specification

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

0.087in. and 0.088in. ⁓3/32"

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.

0.158in. and 0.160in.

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

0.016in. and 0.020in.

Color
A characteristic of light that can be specified in terms of luminance,dominant wavelength,and purity.

black

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

copper alloy

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.

oxide film

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

split HELICAL-Right hand

Answers.

What quantity is this sold in?

1EA

What is the style?

Split helical-right hand

What material is the lock washer made of ?

Copper alloy

What is the thickness?

0.016 inches minimum and 0.020 inches maximum

What is the outside diameter?

0.158 inches minimum and 0.160 inches maximum

What is the inside hole diameter?

0.087 inches minimum and 0.088 inches maximum

What is the NSN for X7-2B?

5310-00-584-8808

How is this classified for shipping?

Schedule B number: 7415210000
nmfc 194120
Copper washers including spring washers not threaded

What's the federal classification of X7-2B?

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 5310-00-584-8808 WASHER,LOCK

split helical-right hand oxide film surface treated 0.016" material thickness 0.158" outside diameter 0.087" hole diameter

NIIN
005848808
NIIN Date
01/01/63
Schedule B
7415210000 
Name Code
14218
FIIG
A022B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$5.38 EA
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

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. X7-44 Cage 35918
2. X7-44 Cage 35918

Major End Users Countries and entities

  • - Department of The Army 
  • - Department of The Navy 
  • - Department of The Air Force 
  • - Poland 
  • - Brazil 
  • - Spain 
  • - Australia 
  • - New Zealand 
  • - France 
  • - United Kingdom 
  • - Greece 
  • - Turkey 

Availability for X7-2B A member of our team will provide you with a price and availability quote

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
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)
194120 WASHERS/GASKETS/PCKG DVCS NOI 
UFC (universal freight code)
95100 

Similar by Design Other washers with similar characteristics

Nothing similar to this part number was found in our inventory

X7-2B / Washer,lockWhat is the formal definition of this item?

A washer which is usually round with a centrally located hole. its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. it may be made of one or two pieces