21418

21418 Retaining Ring

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Datasheet. 21418 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.

3.500in.

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

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.

3.875in.

Major Thickness

0.125in.

End Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the end.

vertex outside periphery

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

straight gap

Usage Design
Indicates the designed use of the item.

external

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

steel

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

steel

Answers.

What material is the retaining ring made of ?

Steel

What is the ring style?

Straight gap

What is the major thickness?

0.125 inches

What is the outside diameter?

3.875 inches

What is the inside diameter?

3.500 inches

What is the NSN for 21418?

5325-00-281-6648

How is this classified for shipping?

Schedule B number: 9606100000
nmfc 063520
Press-fasteners, snap-fasteners & press-studs & parts therefor

What's the federal classification of 21418?

FSC 5325 ⁓ Fastening devices

NSN 5325-00-281-6648 RING,RETAINING

straight gap ring style 0.125" major thickness 3.875" outside diameter 3.500" inside diameter

NIIN
002816648
NIIN Date
01/01/61
Schedule B
9606100000 
Name Code
07623
FIIG
T252-G
QUP
 
Historical Price
$16.53 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. 3F3728 Cage 11083
2. 5B2405 Cage 11083
3. A2622L Cage 61208
4. A2044 Cage 61208

Major End Users Countries and entities

  • - Department of The Army 
  • - Department of The Navy 
  • - U.s. Marine Corps 
  • - Brazil 
  • - Spain 
  • - Singapore 
  • - New Zealand 
  • - Republic of Korea 

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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
Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps) 
Commodity (for shipments via water)
Metal hardware 
NMFC (national motor freight code)
063520 WAVEGUIDE IN BOXES/CRATES 
UFC (universal freight code)
49770 

Similar by Design Other rings with similar characteristics

Nothing similar to this part number was found in our inventory

21418 / 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.