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Retaining Ring

NSN: 5325-00-178-6073 | Model: LSN62CK
ITAR Registered seal

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 embedding 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 par (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 Properties and Flags
NATO Stock Number
Yes - ITAR Controlled
Cross Sectional Shape
Double oval
Inside Diameter
Between 0.570 inches and 0.583 inches
Casehardening Indicator
Not casehardened
Outside Diameter
Between 0.680 inches and 0.693 inches
Major Thickness
Between 0.036 inches and 0.039 inches
Ring Style
Usage Design
Strength Rating
221000.0 pounds per square inch tensile
Steel, spring
Surface Treatment
Surface Treatment
Cadmium, QQ-P-416, type 1, class 2
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE5E415TC298 2015-07-20 PHPHB 110 EA

Pricing and Availability

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NSN 5325-00-178-6073 Datasheet

Supply Class (FSC):
Fastening Devices
Cross Reference:
  • LSN62CK
  • 8437849
  • AMS-QQ-P-416
Cage Codes:
  • Spirolox, Inc. (CAGE 80756)
  • Army, United States Department Of (CAGE 19204)
  • Society Of Automotive Engineers Inc (CAGE 81343)
Schedule B & Trade:
  • Schedule B: 9606100000 (NAICS 339993)

    Press-fasteners, snap-fasteners & press-studs & parts therefor

  • SITC: 89983

    Press-fasteners, snap-fasteners and press-studs and parts therefor; buttons

  • End Use: 12640

    Finished textile supplies


N - Indicates there is no data in the humors and the nsn is in a fsc not generally suspected of containing hazardous materials.


U - Precious metal content is unknown


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    095190 - Hardware, noi sub 9

  • WCC:

    713 - Metal hardware

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater

  • LTL:

    Q - 70.0

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $10.29 to $17.15..
Does NSN 5325-00-178-6073 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Defense Logistics Agency, and Republic Of Korea
What is the NIIN of NSN 5325-00-178-6073?
001786073 or 00-178-6073
Does NSN 5325-00-178-6073 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5325-00-178-6073?
Solicitation SPE5E415TC298 for qty 110 on 07/10/2015
When was this national stock number assigned to the federal catalog?
Mar 24, 1969