181A325-1

181A3251 Retaining Ring

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Datasheet. 181A325-1 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.

7.000in.

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.

7.760in.

Major Thickness

0.035in. and 0.045in.

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

90 degree parallel

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

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

has lip extending from wall of retaining ring; lip has width of 0.380in. from inside of wall

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

aluminum alloy, QQ-A-250/8, alloy 5052, H32

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

aluminum alloy 5052

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-A-250/8, alloy 5052, H32 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.

chromate and plastic polyurethane

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.

chromate, MIL-C-5541 and plastic, urethane, MIL-C-83286

Answers.

What material is the retaining ring made of ?

Aluminum alloy 5052

What is the ring style?

Straight gap

What is the major thickness?

0.035 inches minimum and 0.045 inches maximum

What is the outside diameter?

7.760 inches

What is the inside diameter?

7.000 inches

What is the NSN for 181A325-1?

5325-01-396-8021

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 181A325-1?

FSC 5325 ⁓ Fastening devices

NSN 5325-01-396-8021 RING,RETAINING

chromate surface treated has lip extending from wall of retaining ring; lip has width of 0.380" from inside of wall straight gap ring style 0.035" major thickness 7.760" outside diameter 7.000" inside diameter

NIIN
013968021
NIIN Date
09/25/94
Schedule B
9606100000 
Name Code
07623
FIIG
T252-G
QUP
 
Historical Price
$6,464.25 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 Air Force 

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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

181A325-1 / 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.