2501-0121

25010121 Retaining Ring

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Datasheet. 2501-0121 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.

0.217in. and 0.221in.

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.

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.

0.276in. and 0.282in.

Major Thickness

0.048in. and 0.052in.

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

angular cap

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.

phosphor bronze, QQ-B-750

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

copper alloy 510 or copper alloy 524 or copper alloy 544

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.

QQ-B-750 fed spec single material response

Precious Material And Location
An indication of the precious material and its location in the item.

silver

Precious Material
Identification of the precious material contained in the item.

silver

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.

silver

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

QQ-S-365 fed spec single treatment response

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.

silver, QQ-S-365

Answers.

What quantity is this sold in?

1EA

What material is the retaining ring made of ?

Copper alloy 510 or copper alloy 524 or copper alloy 544

What is the ring style?

Angular cap

What is the major thickness?

0.048 inches minimum and 0.052 inches maximum

What is the outside diameter?

0.276 inches minimum and 0.282 inches maximum

What is the inside diameter?

0.217 inches minimum and 0.221 inches maximum

What is the NSN for 2501-0121?

5325-01-234-7724

How is this classified for shipping?

Schedule B number: 9606100000
nmfc 095190
Press-fasteners, snap-fasteners & press-studs & parts therefor

What's the federal classification of 2501-0121?

FSC 5325 ⁓ Fastening devices

NSN 5325-01-234-7724 RING,RETAINING

silver surface treated angular cap ring style 0.048" major thickness 0.276" outside diameter 0.217" inside diameter

NIIN
012347724
NIIN Date
06/19/86
Schedule B
9606100000 
Name Code
07623
FIIG
T252-G
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$8.63 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Contains silver
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. 136545-1 Cage 37695

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)
Metal hardware 
NMFC (national motor freight code)
095190 HARDWARE, NOI 
UFC (universal freight code)
49790 

Similar by Design Other rings with similar characteristics

Nothing similar to this part number was found in our inventory

2501-0121 / 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.