Product Details | RETAINING RING

5325-01-186-1790 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: M2742640110D, AS3215110, AS3215-110, MILDTL27426, MIL-DTL-27426, RRN90SP, RRN-90-SP, WHM90S02PA, WHM-90-S02-PA, 5325-01-186-1790, 01-186-1790, 5325011861790, 011861790

Hardware and Abrasives | Fastening Devices

Supply Group (FSG) NSN Assign. NIIN
53 08 AUG 1984 01-186-1790

Drawings & Photos | NSN 5325-01-186-1790


Demand History | NSN 5325-01-186-1790

Part Number Request Date QTY Origin
5325-01-186-1790 2022-02-40 4 United States
5325-01-186-1790 2018-05-150 134 US
5325-01-186-1790 2018-05-150 268 US
5325-01-186-1790 2018-05-138 2500 US
5325-01-186-1790 2018-05-137 2482 US
MILDTL27426 2018-04-101 1035 KR
5325-01-186-1790 2015-03-74 38 DIBBS
MILDTL27426 2013-09-259 2000 CA

Cross Reference | NSN 5325-01-186-1790

Part Number Cage Code Manufacturer
AS3215-110 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
M2742640110D 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-DTL-27426 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
RRN-90-SP 80756 SPIROLOX, INC.
WHM-90-S02-PA 51814 SMALLEY STEEL RING CO.

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Technical Data | NSN 5325-01-186-1790

Characteristic Specifications
MATERIAL 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
SURFACE TREATMENT PASSIVATED, QQ-P-35
STRENGTH RATING 200000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE
MATERIAL HARDNESS RATING 40.0 ROCKWELL C MINIMUM AND 51.5 ROCKWELL C MAXIMUM
CASEHARDENING INDICATOR NOT CASEHARDENED
RING STYLE A55 SPECIAL FLAT
INSIDE DIAMETER 0.802 INCHES MINIMUM AND 0.815 INCHES MAXIMUM
OUTSIDE DIAMETER 0.972 INCHES MINIMUM AND 0.985 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE D12 DOUBLE OVAL
MAJOR THICKNESS 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM
USAGE DESIGN INTERNAL
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-DTL-27426
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE M2742640110D

Restrictions/Controls & Freight Information | NSN 5325-01-186-1790

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: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.
Category Code Description
NMF Description 095190 HARDWARE, NOI SUB 9
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 unknown
Originating Activity Code KH Defense Industrial Supply Center
Philadelphia, PA 19111
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5325-01-186-1790

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative