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Retaining Ring NSN 5325-01-281-8720

Item Description

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.

NSN 5325-01-281-8720 NSN: 5325-01-281-8720

Features and Characteristics

Cross Sectional Shape
Beveled one outside corner
Casehardening Indicator
Not casehardened
Outside Diameter
Between 3.091 inches and 3.161 inches
Minor Thickness
Between 0.070 inches and 0.074 inches
Major Thickness
Between 0.092 inches and 0.098 inches
Ring Style
Internal
Usage Design
Internal
Material Hardness Rating
Between 47.0 rockwell c and 52.0 rockwell c
Strength Rating
205000.0 pounds per square inch yield
Material
Steel, federal standard 66, comp 1066 or steel, federal standard 66, comp 1090
Material
Steel comp 1566 or steel comp 1090
Material Specification
Fed standard 66, comp 1066 federal standard 1st material response and federal standard 66, comp 1090 federal standard 2nd material response
Surface Treatment
Cadmium and chromate
Supplementary Features
Substitute for nsn 5365-00-285-6960 unplated finish
Surface Treatment
Cadmium, qq-p-416, type 2, class 3
Specification Data
96906-ms16631 government standard
FSC
5325 Fastening Devices
NIIN
012818720
NSN
5325012818720

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS16631-1281
Cage Code:
96906
Status:
A
MSDS:
Part Number:
N5002-281-MD
Cage Code:
07382
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 9606100000
  • NAICS: 339993
  • SITC: 89983
  • Description: Press-fasteners, snap-fasteners & press-studs & parts therefor
  • End Use (Code 12640):
    Finished textile supplies

Q & A

Frequently asked questions for NSN 5325-01-281-8720
What are the manufacturers of nsn 5325012818720?
Does this nsn 5325012818720 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5325012818720
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.
Does nsn 5325012818720 contain any precious metals?
Precious metal content is unknown.
Does nsn 5325012818720 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5325012818720?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
07623
FIIG:
T252-G
App. Key:
GA
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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