403640

403640 Shouldered Washer

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Datasheet. 403640 specification

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

0.249in. ⁓1/4"

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

0.372in.

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.

0.875in.

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

0.093in.

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

shouldered

Answers.

What is the style?

Shouldered

What is the thickness?

0.093 inches

What is the outside diameter?

0.875 inches

What is the inside hole diameter?

0.249 inches

What is the NSN for 403640?

5310-00-032-8403

What's the federal classification of 403640?

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 5310-00-032-8403 WASHER,SHOULDERED

shouldered 0.093" material thickness 0.875" outside diameter 0.249" hole diameter

NIIN
000328403
NIIN Date
01/01/63
Schedule B
 
Name Code
15934
FIIG
A022B0
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

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

Major End Users Countries and entities

  • - Brazil 
  • - Greece 
  • - Turkey 

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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)
77.5
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
Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing 
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

403640 / Washer,shoulderedWhat is the formal definition of this item?

A washer, round in shape, and having a centrally located hole. one bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. the thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. for items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. excludes insulator, washer and thrust type washers.