56549

56549 Spring Tension Washer

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Datasheet. 56549 specification

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

0.092in. and 0.095in. ⁓7/64"

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.

0.203in. and 0.234in.

Overall Height
The distance measured in a straight line from the bottom to the top of an item.

0.030in. and 0.040in.

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

0.0065in.

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

copper alloy 510

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 4510 assn std single 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.

nickel

Answers.

What material is the spring tension washer made of ?

Copper alloy 510

What is the thickness?

0.0065 inches

What is the outside diameter?

0.203 inches minimum and 0.234 inches maximum

What is the inside hole diameter?

0.092 inches minimum and 0.095 inches maximum

What is the NSN for 56549?

5310-00-033-4752

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 56549?

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 5310-00-033-4752 WASHER,SPRING TENSION

nickel surface treated 0.0065" material thickness 0.203" outside diameter 0.092" hole diameter

NIIN
000334752
NIIN Date
01/01/63
Schedule B
7415210000 
Name Code
15938
FIIG
A022B0
QUP
 
Historical Price
$0.73 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

  • - Portugal 
  • - Greece 

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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

56549 / Washer,spring tensionWhat is the formal definition of this item?

A bent spring metal washer with a centrally located hole. it is designed to exert pressure axially when assembled in place.