Product Details | RETAINING RING

5325-00-921-5162 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: RST306C, RST-306C, 65B9950, 5325-00-921-5162, 00-921-5162, 5325009215162, 009215162

Hardware and Abrasives | Fastening Devices

Supply Group (FSG) NSN Assign. NIIN
53 08 APR 1966 00-921-5162

Drawings & Photos | NSN 5325-00-921-5162


Demand History | NSN 5325-00-921-5162

Part Number Request Date QTY Origin
RST306C 2016-02-36 25 United States
5325-00-921-5162 2015-02-43 1 US
RST306C 2008-10-288 12 US
RST306C 2008-09-260 50 us

Cross Reference | NSN 5325-00-921-5162

Part Number Cage Code Manufacturer
65B9950 18894 AIR ARMAMENT CENTER/ EN
65B9950 19200 US ARMY ARDEC RDECOM
65B9950 19205 SPRINGFIELD ARMORY
RST-306C 80756 SPIROLOX, INC.

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Technical Data | NSN 5325-00-921-5162

Characteristic Specifications
MATERIAL STEEL, FED STD 66, COMP 1070 OR STEEL, FED STD 66, COMP 1072 OR STEEL, FED STD 66, COMP 1074 OR STEEL, FED STD 66, COMP 1075 OR STEEL, FED STD 66, COMP 1078 OR STEEL, FED STD 66, COMP 1080 OR STEEL, FED STD 66, COMP 1084 OR STEEL, FED STD 66, COMP 1085 OR STEEL, FED STD 66, COMP 1086 OR STEEL, FED STD 66, COMP 1090
SURFACE TREATMENT CADMIUM, QQ-P-416, TYPE 1, CLASS 2
STRENGTH RATING 21100.0 POUNDS PER SQUARE INCH MINIMUM TENSILE
MATERIAL HARDNESS RATING NOT RATED
CASEHARDENING INDICATOR NOT CASEHARDENED
RING STYLE A56 SPIRAL
INSIDE DIAMETER 2.867 INCHES MINIMUM AND 2.897 INCHES MAXIMUM
OUTSIDE DIAMETER 3.243 INCHES MINIMUM AND 3.273 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE D12 DOUBLE OVAL
MAJOR THICKNESS 0.090 INCHES MINIMUM AND 0.096 INCHES MAXIMUM
USAGE DESIGN EXTERNAL

Restrictions/Controls & Freight Information | NSN 5325-00-921-5162

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
Less than car load rating J 100.2
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code BF U.S. Army Armament and Chemical Acquisition and
Logistics Activity
Rock Island, IL 61299-6000
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