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Retaining Ring NSN 5325-01-556-4891

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 5325-01-556-4891 NSN: 5325-01-556-4891

Features and Characteristics

Cross Sectional Shape
Rounded corners
Inside Diameter
1.592 inches
Outside Diameter
1.592 inches
Major Thickness
0.088 inches
End Style
90 degree parallel
Ring Style
Straight gap
End Application
Mrap - unique nsn - used on 3 mrap variants
Gap Opening
Opening less than 90 degrees
Part Name Assigned By Controlling Agency
Ring, upper backup
Special Features
All corners radius .013; steel spring wire, navistar specification a-9, type 9 sae 9254;
Material
Steel
Material
Steel
FSC
5325 Fastening Devices
NIIN
015564891
NSN
5325015564891

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1817073C2
Cage Code:
338X5
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8710000090
  • NAICS: 336992
  • SITC: 89111
  • Description: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
  • End Use (Code 50030):
    Military trucks, armored vehicles, etc.

Q & A

Frequently asked questions for NSN 5325-01-556-4891
What are the manufacturers of nsn 5325015564891?
Does this nsn 5325015564891 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5325015564891
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 5325015564891 contain any precious metals?
No precious metal content.
Does nsn 5325015564891 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5325015564891?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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