2578721-001A

2578721001A Retaining Ring

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Datasheet. 2578721-001A specification

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

round

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.

2.474in.

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

single leg offset

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

0.112 in.

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, QQ-W-470

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

steel uns K08500

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-W-470 fed spec 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.

cadmium

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.

cadmium CP-0400, 06848

Answers.

What quantity is this sold in?

1EA

What material is the retaining ring made of ?

Steel uns k08500

What is the ring style?

Single leg offset

What is the outside diameter?

2.474 inches

What is the NSN for 2578721-001A?

5325-00-476-7296

How is this classified for shipping?

Schedule B number: 9606100000
nmfc 194160
Press-fasteners, snap-fasteners & press-studs & parts therefor

What's the federal classification of 2578721-001A?

FSC 5325 ⁓ Fastening devices

NSN 5325-00-476-7296 RING,RETAINING

cadmium surface treated single leg offset ring style 2.474" outside diameter

NIIN
004767296
NIIN Date
06/18/71
Schedule B
9606100000 
Name Code
07623
FIIG
T252-G
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$137.98 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

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)
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 rings with similar characteristics

Nothing similar to this part number was found in our inventory

2578721-001A / 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.