4-M-52

4M52 Spring Tension Washer
Home » Catalog » Nuts & Washers (p. 2030) » Spring Tension Washers (p. 60) » Part Number 4-M-52

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Datasheet. 4-M-52 specification

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

0.266in. ⁓17/64"

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.

0.688in.

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

0.069in.

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

0.050in.

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

47.0 rockwell c and 50.0 rockwell c

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

steel comp 6150

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.

cadmium and chromate

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

spring tension

Answers.

What quantity is this sold in?

1EA

What is the style?

Spring tension

What material is the spring tension washer made of ?

Steel comp 6150

What is the thickness?

0.050 inches

What is the outside diameter?

0.688 inches

What is the inside hole diameter?

0.266 inches

What is the NSN for 4-M-52?

5310-01-058-5398

How is this classified for shipping?

Schedule B number: 7318210000
nmfc 194160
Spring washers and other lock washers, iron or steel

What's the federal classification of 4-M-52?

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 5310-01-058-5398 WASHER,SPRING TENSION

spring tension cadmium surface treated 0.050" material thickness 0.688" outside diameter 0.266" hole diameter

NIIN
010585398
NIIN Date
03/29/78
Schedule B
7318210000 
Name Code
15938
FIIG
A022B0
Item Weight
0.000lbs
Item Dimensions
--
QUP
1 
Historical Price
$0.23 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

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

1. B-7077-52 Cage 24692
2. B-7077-52 Cage KD2A2

Major End Users Countries and entities

  • - France 
  • - United Kingdom 

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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

4-M-52 / 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.