6391388-1

63913881 Convex Washer

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Datasheet. 6391388-1 specification

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

2.875in. ⁓2-7/8"

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.

4.310in.

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

0.650in.

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

asds

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.

drawing calls this: washer - half spherical convex, support post

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

steel comp A2

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

convex

Supplementary Features
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.

top of washer is flat for 0.1225 inch from inner edge before 16 degree (6.750 radius) chamfer begins

Answers.

What quantity is this sold in?

1EA

What is the style?

Convex

What material is the convex washer made of ?

Steel comp a2

What is the thickness?

0.650 inches

What is the outside diameter?

4.310 inches

What is the inside hole diameter?

2.875 inches

What is the NSN for 6391388-1?

5310-01-508-0129

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 6391388-1?

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 5310-01-508-0129 WASHER,CONVEX

Used on ASDS. convex drawing calls this: washer - half spherical convex, support post 0.650" material thickness 4.310" outside diameter 2.875" hole diameter

NIIN
015080129
NIIN Date
05/09/03
Schedule B
7318220000 
Name Code
15931
FIIG
A022B0
Item Weight
0.000lbs
Item Dimensions
--
QUP
Historical Price
$38.95 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. 6391388 Cage 53711

Major End Users Countries and entities

  • - Department of The Navy 

Availability for 6391388-1 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)
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

6391388-1 / 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.