Product Details | RETAINING RING

5325-00-181-1215 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: UR325BX, 5325-00-181-1215, 00-181-1215, 5325001811215, 001811215

Hardware and Abrasives | Fastening Devices

Supply Group (FSG) NSN Assign. NIIN
53 21 NOV 1969 00-181-1215

Drawings & Photos | NSN 5325-00-181-1215


Cross Reference | NSN 5325-00-181-1215

Part Number Cage Code Manufacturer
UR325BX 80756 SPIROLOX, INC.

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Technical Data | NSN 5325-00-181-1215

Characteristic Specifications
MATERIAL STEEL SAE OR AISI 1070 THRU 1090
SURFACE TREATMENT BLACK OXIDE, MIL-C-13924, CLASS 1
STRENGTH RATING 221000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE
MATERIAL HARDNESS RATING NOT RATED
CASEHARDENING INDICATOR NOT CASEHARDENED
RING STYLE A30 SPECIAL
INSIDE DIAMETER 3.001 INCHES MINIMUM AND 3.031 INCHES MAXIMUM
OUTSIDE DIAMETER 3.377 INCHES MINIMUM AND 3.407 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE D6 ROUNDED CORNERS
MAJOR THICKNESS 0.037 INCHES MINIMUM AND 0.041 INCHES MAXIMUM
USAGE DESIGN INTERNAL

Restrictions/Controls & Freight Information | NSN 5325-00-181-1215

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information

Management | NSN 5325-00-181-1215

Category Code Description
Cognizance Codes9ZNavy-owned stocks of defense industrial material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9IDefense Industrial Supply Center
Philadelphia, PA 19111
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative