20645-005

20645005 Retaining Ring

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Datasheet. 20645-005 specification

Cross-sectional Shape Style
The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.

rectangular

Inside Diameter
The length of a straight line which passes through the center of a circular figure or body,and terminates at the inside circumference.

0.620in.

Casehardening Indicator
Indicates whether or not a ferrous alloy object has been subjected to a process whereby the outer portion is made substantially harder than the inner portion or core.

not casehardened

Major Thickness

0.0140in. and 0.0145in.

Ring Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the ring.

e

Usage Design
Indicates the designed use of the item.

external

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

41.0 rockwell c and 43.0 rockwell c

Part Name Assigned By Controlling Agency
The name assigned to the item by the government agency or commercial organization controlling the design of the item.

navy special project

Material
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.

steel, stainless, comp 301

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

Surface Treatment
Consists of plating,dip,and/or coating that cannot be wiped off.plating and/or coating is any chemical and/or metallic additive,electrochemical,or mild mechanical process which protects a surface.

passivated

Answers.

What is the ring style?

E

What is the major thickness?

0.0140 inches minimum and 0.0145 inches maximum

What is the inside diameter?

0.620 inches

What is the NSN for 20645-005?

5325-00-607-1423

How is this classified for shipping?

Schedule B number: 9606100000
nmfc 178010
Press-fasteners, snap-fasteners & press-studs & parts therefor

What's the federal classification of 20645-005?

FSC 5325 ⁓ Fastening devices

NSN 5325-00-607-1423 RING,RETAINING

passivate surface treated navy special project e ring style 0.0140" major thickness 0.620" inside diameter

NIIN
006071423
NIIN Date
01/25/75
Schedule B
9606100000 
Name Code
07623
FIIG
T252-G
QUP
 
Historical Price
$0.15 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 Navy 

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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)
Steel springs, (less than 35 feet) 
NMFC (national motor freight code)
178010 SPRINGS NOI STL O/T WIRE 
UFC (universal freight code)
87450 

Similar by Design Other rings with similar characteristics

Nothing similar to this part number was found in our inventory

20645-005 / Ring,retainingWhat is the formal definition of this item?

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. for items having internal prongs which perform the same function, see push on nut. it is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. see also clip, retaining and pin, lock. excludes ring, connecting, round.