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Retaining Ring NSN 5325-00-178-1289

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 5325-00-178-1289 NSN: 5325-00-178-1289

Features and Characteristics

Cross Sectional Shape
Round
Inside Diameter
4.000 inches
Casehardening Indicator
Not casehardened
Outside Diameter
4.468 inches
End Style
90 degree parallel
Ring Style
Straight gap
Material Diameter
0.234 inches
Usage Design
External or internal
Material
Steel, qq-w-428, type 1 or steel, qq-w-470 or steel, qq-w-428, type 2
Material
Steel or steel uns k08500 or steel, qq-w-428, type 2
Material Specification
Qq-w-428, type 1 federal specification 1st material response and qq-w-470 federal specification 2nd material response
Surface Treatment
Cadmium and chromate
Surface Treatment
Cadmium, qq-p-416, type 2, class 3
FSC
5325 Fastening Devices
NIIN
001781289
NSN
5325001781289

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
11643820
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 5325-00-178-1289
What are the manufacturers of nsn 5325001781289?
Does this nsn 5325001781289 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5325001781289
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 5325001781289 contain any precious metals?
No precious metal content.
Does nsn 5325001781289 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5325001781289?
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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