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Retaining Ring NSN 5325-01-203-1388

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 5325-01-203-1388 NSN: 5325-01-203-1388

Features and Characteristics

Cross Sectional Shape
Double oval
Inside Diameter
Between 4.233 inches and 4.268 inches
Casehardening Indicator
Not casehardened
Outside Diameter
Between 4.674 inches and 4.709 inches
Major Thickness
Between 0.058 inches and 0.064 inches
Ring Style
Special flat
Usage Design
Internal
Material Hardness Rating
Between 40.0 rockwell c and 51.5 rockwell c
Strength Rating
211000.0 pounds per square inch tensile
Material
Steel, mil-s-46049, comp 1075 or comp 1085
Material
Steel, mil-s-46049, comp 1075 or comp 1085
Surface Treatment
Phosphate, mil-p-16232, type z, class 2
FSC
5325 Fastening Devices
NIIN
012031388
NSN
5325012031388

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
M2742630201C
Cage Code:
81349
Status:
A
MSDS:
Part Number:
MIL-DTL-27426
Cage Code:
81349
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 5325-01-203-1388
What are the manufacturers of nsn 5325012031388?
Does this nsn 5325012031388 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5325012031388
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 5325012031388 contain any precious metals?
No precious metal content.
Does nsn 5325012031388 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5325012031388?
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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