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Retaining Ring NSN 5325-00-281-2921

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 5325-00-281-2921 NSN: 5325-00-281-2921

Features and Characteristics

Cross Sectional Shape
Rectangular
Inside Diameter
Between 0.540 inches and 0.555 inches
Casehardening Indicator
Not casehardened
Major Thickness
Between 0.033 inches and 0.037 inches
Ring Style
External inverted lugs
Usage Design
External
Material Hardness Rating
Between 45.0 rockwell c and 50.0 rockwell c
Strength Rating
238000.0 pounds per square inch tensile
Material
Steel astm a576 fs1060 to fs1074
Material
Steel astm a576 fs1060 to fs1074
Surface Treatment
Cadmium or zinc and dichromate
Surface Treatment
Cadmium or zinc and dichromate dip
FSC
5325 Fastening Devices
NIIN
002812921
NSN
5325002812921

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5108-59MD0RZD
Cage Code:
07382
Status:
A
MSDS:
Part Number:
583280
Cage Code:
19207
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 5325-00-281-2921
What are the manufacturers of nsn 5325002812921?
Does this nsn 5325002812921 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5325002812921
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 5325002812921 contain any precious metals?
Precious metal content is unknown.
Does nsn 5325002812921 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5325002812921?
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

What do you get when you order from nationalstocknumber.org?

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