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Retaining Ring NSN 5325-01-216-6999

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 5325-01-216-6999 NSN: 5325-01-216-6999

Features and Characteristics

Cross Sectional Shape
Round
Inside Diameter
Between 0.695 inches and 0.700 inches
Casehardening Indicator
Not casehardened
Outside Diameter
Between 0.7496 inches and 0.7586 inches
Ring Style
Hooked
Material Diameter
0.0253 inches
Usage Design
Internal
Material
Copper alloy, qq-w-321, alloy 510
Material
Copper alloy 510
Material Specification
Qq-w-321, alloy 510 federal specification single material response
Surface Treatment
Nickel
Surface Treatment Specification
Mil-p-18317 military specification single treatment response
Surface Treatment
Black nickel mil-p-18317
FSC
5325 Fastening Devices
NIIN
012166999
NSN
5325012166999

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1493602-0004
Cage Code:
55972
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 5325-01-216-6999
What are the manufacturers of nsn 5325012166999?
Does this nsn 5325012166999 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5325012166999
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 5325012166999 contain any precious metals?
No precious metal content.
Does nsn 5325012166999 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5325012166999?
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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