9M187-81

9M18781 Retaining Ring

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Datasheet. 9M187-81 specification

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

double oval

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.

0.755in. and 0.768in.

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.

0.877in. and 0.906in.

Major Thickness

0.040in. and 0.044in.

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

spiral

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.

71.0 rockwell a and 77.5 rockwell a

Strength Rating
The load in tension applied in a longitudinal direction or the load that can be applied in a plane perpendicular to the axial centerline without rupture or permanent deformation of the material.

255000.0 pounds per square inch tensile

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

steel, fed std 66 aisi/sae 1070 or 1078 or 1080 or 1084 or 1090

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

steel, fed std 66 aisi/sae 1070 or 1078 or 1080 or 1084 or 1090

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, QQ-P-416, type 2, class 2

Answers.

What material is the retaining ring made of ?

Steel,fed std 66 aisi/sae 1070 or 1078 or 1080 or 1084 or 1090

What is the strength rating?

255000.0 pounds per square inch minimum tensile

What is the ring style?

Spiral

What is the major thickness?

0.040 inches minimum and 0.044 inches maximum

What is the outside diameter?

0.877 inches minimum and 0.906 inches maximum

What is the inside diameter?

0.755 inches minimum and 0.768 inches maximum

What is the NSN for 9M187-81?

5325-01-132-0713

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 9M187-81?

FSC 5325 ⁓ Fastening devices

NSN 5325-01-132-0713 RING,RETAINING

255000.0 pounds per square inch tensile strength rating spiral ring style 0.040" major thickness 0.877" outside diameter 0.755" inside diameter

NIIN
011320713
NIIN Date
05/22/82
Schedule B
9606100000 
Name Code
07623
FIIG
T252-G
Item Weight
0.100lbs
Item Dimensions
--
QUP
 
Historical Price
$3.08 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

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. RST-81-CD-M9 Cage 80756
2. 10119256 Cage A486G

Major End Users Countries and entities

  • - Department of The Navy 
  • - Department of The Air Force 
  • - Finland 
  • - Spain 
  • - Malaysia 
  • - Australia 
  • - Canada 
  • - United Kingdom 
  • - Italy 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
70.0 
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)
095190 HARDWARE, NOI SUB 9 
UFC (universal freight code)
49790 

Similar by Design Other rings with similar characteristics

Nothing similar to this part number was found in our inventory

9M187-81 / 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.