Product Details | DUPLEX BALL BEARING

3110-01-087-4283 Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.

Part Alternates: M105JX10DB, 4040T21, 4040T21P01, 4040T21P03, 4604, 3110-01-087-4283, 01-087-4283, 3110010874283, 010874283

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 17 DEC 1979 01-087-4283

Demand History | NSN 3110-01-087-4283

Part Number Request Date QTY Origin
4040T21P03 2025-06-177 1 MY

Cross Reference | NSN 3110-01-087-4283

Part Number Cage Code Manufacturer
4040T21 99207 GENERAL ELECTRIC COMPANY DBA GE
4040T21P01 99207 GENERAL ELECTRIC COMPANY DBA GE
4040T21P03 99207 GENERAL ELECTRIC COMPANY DBA GE
4604 83086 NEW HAMPSHIRE BALL BEARINGS, INC. DIV HITECH DIVISION
M105JX10DB 70854 BARDEN CORPORATION, THE DIV BARDEN PRECISION BEARINGS

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Technical Data | NSN 3110-01-087-4283

Characteristic Specifications
OVERALL WIDTH 0.9429 INCHES MINIMUM AND 0.9449 INCHES MAXIMUM
BORE DIAMETER 0.9841 INCHES MINIMUM AND 0.9843 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER 1.8502 INCHES MINIMUM AND 1.8504 INCHES MAXIMUM
STANDARD TOLERANCE DESIGNATION ABEC NO.5
SURFACE FINISH GROUND
LOAD DIRECTION RADIAL
MANUFACTURERS CODE 99207
MFR SOURCE CONTROLLING REFERENCE 4040T21

Restrictions/Controls & Freight Information | NSN 3110-01-087-4283

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Controlled Inventory Item Code:UUNCLASSIFIED
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:NThe item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).
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 CT U.S. Army Aviation and Missile Command (AIR)
Redstone Arsenal, AL 35898-5230
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 3110-01-087-4283

Category Code Description
Materiel Category and Inventory ManagerH Aircraft, Air Materiel
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment1 REPARABLE ITEMS (Exclusive of Insurance and Provisioning Items.) This code will be used to identify serviceable or unserviceable items of a durable nature which when unserviceable normally can be repaired economically by depots or lower echelons of maintenance.
Specific Group/Generic CodeB Rotary Wing Aircraft
Weapons Systems/End Item or Homogeneous GroupBNUH-60L/AH-64A Engine (T701C)
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplyB17US Army Aviation and Missile Command (Air)
ATTN: AMSMI-LC-MM-C
Redstone Arsenal, AL 35898-5230
AgencyDADepartment of the Army
Service OrganizationLLead Service - 22 (Repairable)
ReparabilityDWhen repair is beyond lower level maintenance capability, evacuate the item to depot. Disposal is not authorized below wholesale level.
Acquisition Advice CodesMRESTRICTED REQUISITIONS-MAJOR OVERHAUL (Service/Agency use only.) # Items (Assemblies and/or component parts) which for lack of specialized tools, test equipment, etc., can be used only by major overhaul activities. Base, post, camp or station activities will not requisition unless authorized to perform major overhaul function.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each