Product Details | LINEAR-ROTARY MOTION ROLLER

3120-00-756-5311 A cylindrical body having a centrally located hole to accommodate a pin or shaft for attachment to a push rod guide, yoke, rocker arm, turntable, or rail. The item provides a rolling contact with the face of a valve stem, or the lobes of a cam ring or camshaft on engines, fuel injection pumps, latches, turntables, parallel bearing surfaces requiring a roller support, and the like. Excludes BEARING, ROLLER, CYLINDRICAL; ROLLER, ELECTRICAL SWITCH; and friction bearings. See also CAM FOLLOWER, NEEDLE BEARING.

Part Alternates: 7791785, 3120-00-756-5311, 00-756-5311, 3120007565311, 007565311

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 01 JAN 1960 00-756-5311

Drawings & Photos | NSN 3120-00-756-5311


Cross Reference | NSN 3120-00-756-5311

Part Number Cage Code Manufacturer
7791785 19200 US ARMY ARDEC RDECOM
7791785 19205 SPRINGFIELD ARMORY

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Technical Data | NSN 3120-00-756-5311

Characteristic Specifications
MATERIAL STEEL
METALLIC HARDNESS RATING 78.5 MINIMUM ROCKWELL A AND 81.0 MAXIMUM ROCKWELL A
CASEHARDENING INDICATOR NOT CASEHARDENED
STYLE DESIGNATOR R9 PLAIN, COUNTERBORED
COUNTERBORE DIAMETER 0.388 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
COUNTERBORE DEPTH 0.095 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
OUTSIDE DIAMETER 0.497 INCHES MINIMUM AND 0.498 INCHES MAXIMUM
FACE WIDTH 0.155 INCHES MINIMUM AND 0.160 INCHES MAXIMUM
BORE INSIDE DIAMETER 0.378 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
MANUFACTURERS CODE 19205
DESIGN CONTROL REFERENCE 7791785

Restrictions/Controls & Freight Information | NSN 3120-00-756-5311

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.
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 114850 BEARING/BUSHING O/T BALL/ROLLER I/S
Less than car load rating W Rating Variable
Less than truck load rating Q 70.0
Water commodity Code 742 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT FF
Type of Cargo Z No special type of cargo code applicable