Product Details | RETAINING RING

5325-01-590-9440 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.

Part Alternates: AS3215126, AS3215-126, 5325-01-590-9440, 01-590-9440, 5325015909440, 015909440

Hardware and Abrasives | Fastening Devices

Supply Group (FSG) NSN Assign. NIIN
53 04 JAN 2011 01-590-9440

Demand History | NSN 5325-01-590-9440

Part Number Request Date QTY Origin
AS3215126 2025-07-206 50 us

Cross Reference | NSN 5325-01-590-9440

Part Number Cage Code Manufacturer
AS3215-126 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC

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Technical Data | NSN 5325-01-590-9440

Characteristic Specifications
USAGE DESIGN INTERNAL
RING STYLE SPIRAL
INSIDE DIAMETER 1.566 INCHES NOMINAL
CASEHARDENING INDICATOR NOT CASEHARDENED
CROSS-SECTIONAL SHAPE STYLE DOUBLE OVAL
MATERIAL STEEL, CORROSION RESISTING
OUTSIDE DIAMETER 1.810 INCHES MINIMUM AND 1.830 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCY RING, RETAINING-SPIRAL, INTERNAL HEAVY DUTY, CRES
MAJOR THICKNESS 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5325-01-590-9440

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information