70188-8U

701888U Convex Washer

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Datasheet. 70188-8U specification

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

0.510in. and 0.520in. ⁓17/32"

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.

0.870in. and 0.880in.

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

0.195in. and 0.205in.

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

40.0 rockwell c and 48.0 rockwell c

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

steel comp 631 or steel comp 630

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.

ams 5528 assn std 1st material response or ams 5643 assn std 2nd 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

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

convex

Answers.

What quantity is this sold in?

1EA

What is the style?

Convex

What material is the convex washer made of ?

Steel comp 631 or steel comp 630

What is the thickness?

0.195 inches minimum and 0.205 inches maximum

What is the outside diameter?

0.870 inches minimum and 0.880 inches maximum

What is the inside hole diameter?

0.510 inches minimum and 0.520 inches maximum

What is the NSN for 70188-8U?

5310-01-412-8794

How is this classified for shipping?

Schedule B number: 7318220000
nmfc 093486
Washers other than lock washers, iron or steel

What's the federal classification of 70188-8U?

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 5310-01-412-8794 WASHER,CONVEX

convex passivate surface treated 0.195" material thickness 0.870" outside diameter 0.510" hole diameter

NIIN
014128794
NIIN Date
04/30/95
Schedule B
7318220000 
Name Code
15931
FIIG
A022B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$47.98 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

Major End Users Countries and entities

  • - Department of The Army 

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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 and metal products, nos, (less than 35 feet) 
NMFC (national motor freight code)
093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3) 
UFC (universal freight code)
48950 

Similar by Design Other washers with similar characteristics

Nothing similar to this part number was found in our inventory

70188-8U / 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.