Product Details | RETAINING RING

5325-00-236-8851 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: A2781J, 5325-00-236-8851, 00-236-8851, 5325002368851, 002368851

Hardware and Abrasives | Fastening Devices

Supply Group (FSG) NSN Assign. NIIN
53 10 SEP 1972 00-236-8851

Drawings & Photos | NSN 5325-00-236-8851


Cross Reference | NSN 5325-00-236-8851

Part Number Cage Code Manufacturer
A2781J 61208 TWIN DISC INCORPORATED
A2781J K2171 TWIN DISC INTERNATIONAL S A
A2781J U2621 MARINE & INDUSTRIAL TRANSMISSIONS LT

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Technical Data | NSN 5325-00-236-8851

Characteristic Specifications
MATERIAL STEEL SAE 1065
STRENGTH RATING NOT RATED
MATERIAL HARDNESS RATING 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
CASEHARDENING INDICATOR NOT CASEHARDENED
RING STYLE A1 STRAIGHT GAP
GAP OPENING STYLE B1
END STYLE C4 VERTEX CENTER OR ABOVE
INSIDE DIAMETER 0.813 INCHES NOMINAL
OUTSIDE DIAMETER 1.031 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLE D6 ROUNDED CORNERS
MAJOR THICKNESS 0.109 INCHES NOMINAL
USAGE DESIGN EXTERNAL
MANUFACTURERS CODE 61208
DESIGN CONTROL REFERENCE A2781J

Restrictions/Controls & Freight Information | NSN 5325-00-236-8851

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.
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
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 PA Marine Corps Logistics Base
Albany, GA 31704-1128
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