Home » FSC Catalog » Fastening Devices » 5325-00-165-7643

Retaining Ring

SKU: 5325001657643 | Model: MIL-DTL-27426
NSN 5325-00-165-7643 NSN 5325-00-165-7643

Double oval cross-sectional shape style, 1.143" inside diameter, not casehardened casehardening indicator, 1.349" outside diameter

Specifications from the Manufacturer

Cross-sectional Shape Style:
Double oval
Inside Diameter:
1.143 inches minimum and 1.163 inches maximum
Casehardening Indicator:
Not casehardened
Outside Diameter:
1.349 inches minimum and 1.369 inches maximum
Major Thickness:
0.048 inches minimum and 0.052 inches maximum
Ring Style:
Usage Design:
Material Hardness Rating:
39.8 rockwell c minimum and 48.5 rockwell c maximum
Strength Rating:
185000.0 pounds per square inch minimum tensile
Steel, sae 302 or steel, aisi 302 or steel, mil-s-5059, type 302 or steel, ams 5688 or steel, qq-s-766, class 302
Steel comp 302 or steel comp 302 or steel comp 302 or steel comp 302 or steel comp 302
Material Document And Classification:
Sae 302 assn std 1st material response and aisi 302 assn std 2nd material response and mil-s-5059, type 302 mil spec 3rd material response and ams 5688 assn std 4th material response and qq-s-766, class 302 fed spec 5th material response
Surface Treatment:
Surface Treatment:
Nondefinitive Spec/std Data:
1 type and 2 class and 1.250 size

Pricing and Availability

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NSN 5325-00-165-7643 Datasheet

Supply Class:


Cross Reference:

  • MIL-DTL-27426
  • RSN125SP

Cage Codes:

  • Military Specifications (CAGE 81349)
  • Spirolox, Inc. (CAGE 80756)

Replaced or Cancelled:

5325-00-165-7643 is not a replacement of any national stock number and has not been cancelled or replaced itself.


NIIN: 001657643
NSN: 5325001657643
DEMIL Code Meaning: Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations.
ADPE: 0 (Represents items with no adp components)

Freight Codes:

NMF Desc: Hardware, Noi Sub 9
NMFC: 095190
UFC: 49790
LTL: 70.0
WCC: Metal hardware
TCC: No special type of cargo code applicable
SHC: Other or no special handling required (sh)
ADC: Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC: Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
ASH: No special handling required.

Reference Drawing:

[drawing of 5325-00-165-7643]

Schedule B & Trade:

9606100000 (NAICS 339993)
Press-fasteners, snap-fasteners & press-studs & parts therefor

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

End Use:

Finished textile supplies

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 5325-00-165-7643 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
No recorded entities for this stock number.
How is national stock number 5325-00-165-7643 defined?
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.
What is the NIIN of NSN 5325-00-165-7643?
001657643 or 00-165-7643
Does this item require Demilitarization?
Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations. (note 9).
Is NSN 5325001657643 ITAR controlled?
No. This item is not ITAR Controlled.
What is the most recent solicitation for NSN 5325001657643?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Feb 27, 1972