Product Details | INNER BEARING RING

3110-00-278-6951 The inner component of a ball or roller bearing which provides a contact surface for the rolling elements of an antifriction bearing.

Part Alternates: C8778050, C87780-50, 5142388, 514238-8, 3110-00-278-6951, 00-278-6951, 3110002786951, 002786951

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 01 JAN 1963 00-278-6951

Drawings & Photos | NSN 3110-00-278-6951


Demand History | NSN 3110-00-278-6951

Part Number Request Date QTY Origin
3110-00-278-6951 2024-09-262 273 DIBBS
3110-00-278-6951 2024-09-247 273 DIBBS
3110-00-278-6951 2024-07-190 234 DIBBS
C87780-50 2023-12-339 168 DIBBS
C87780-50 2023-08-219 23 DIBBS
C87780-50 2023-04-115 81 DIBBS
3110-00-278-6951 2020-10-304 1 DIBBS-RFPs
3110-00-278-6951 2019-03-62 1 DIBBS-RFPs
3110-00-278-6951 2018-08-221 39 DIBBS
3110-00-278-6951 2018-04-99 187 DIBBS
3110-00-278-6951 2018-03-65 50 DIBBS
3110-00-278-6951 2017-04-114 100 DIBBS
3110-00-278-6951 2017-01-10 277 DIBBS
C8778050 2011-07-206 1 US

Cross Reference | NSN 3110-00-278-6951

Part Number Cage Code Manufacturer
514238-8 80020 NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2
C87780-50 80020 NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2

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Technical Data | NSN 3110-00-278-6951

Characteristic Specifications
MATERIAL STEEL OVERALL
STYLE DESIGNATOR 494 INNER RING, ROLLER, CYLINDRICAL
OVERALL WIDTH 3.4950 INCHES MINIMUM AND 3.5000 INCHES MAXIMUM
BORE DIAMETER 7.8728 INCHES MINIMUM AND 7.8740 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER 9.1227 INCHES MINIMUM AND 9.1239 INCHES MAXIMUM
STANDARD TOLERANCE DESIGNATION AFBMA CLASS 00
BORE SHAPE STRAIGHT
SURFACE FINISH GROUND
MANUFACTURERS CODE 80020
MFR SOURCE CONTROLLING REFERENCE C87780-50

Restrictions/Controls & Freight Information | NSN 3110-00-278-6951

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:SThe item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel.
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 114820 BEARINGS/BUSHINGS NOI BALL/ROLLER
Less than car load rating P 77.5
Less than truck load rating P 77.5
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
Type of Cargo Z No special type of cargo code applicable

Management | NSN 3110-00-278-6951

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDEY4R/5R Cog items managed by BRASO
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
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
Purchasing QTY
UOM
1
EA : Each