Product Details | ANNULAR BALL BEARING

3110-00-728-2995 A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see BEARING, BALL, DUPLEX. Excludes BEARING, BALL, AIRFRAME.

Part Alternates: M81793/12-KA2JXN1A1, M8179312KA2JXN1A1, M81793EIFFAN21EC71AB1, M81793-EIFFAN21EC71AB1, M81793EIFFAXSSEB71AB1, M81793-EIFFAXSSEB71AB1, SR1810LL3EEK257, SR1810LL3EEK25-7, MILB81792, MIL-B-81792, 3110-00-728-2995, 00-728-2995, 3110007282995, 007282995

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 04 MAY 1974 00-728-2995

Drawings & Photos | NSN 3110-00-728-2995


Cross Reference | NSN 3110-00-728-2995

Part Number Cage Code Manufacturer
M81793-EIFFAN21EC71AB1 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
M81793-EIFFAXSSEB71AB1 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
M81793/12-KA2JXN1A1 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-B-81792 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
SR1810LL3EEK25-7 83086 NEW HAMPSHIRE BALL BEARINGS, INC. DIV HITECH DIVISION

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Technical Data | NSN 3110-00-728-2995

Characteristic Specifications
MATERIAL STEEL COMP 440C BALL STEEL COMP 440C INNER RING STEEL COMP 440C OUTER RING STEEL CORROSION RESISTING RETAINER PLASTIC POLYTETRAFLUOROETHYLENE SEAL
MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD SINGLE MATERIAL RESPONSE BALL 66 FED STD SINGLE MATERIAL RESPONSE INNER RING 66 FED STD SINGLE MATERIAL RESPONSE OUTER RING
STYLE DESIGNATOR 12A NON-LOADING GROOVE, NON-SEPARABLE
BORE DIAMETER 0.3125 INCHES NOMINAL
OVERALL OUTSIDE DIAMETER 0.5000 INCHES NOMINAL
OUTER RING WIDTH 0.1562 INCHES NOMINAL
INNER RING WIDTH 0.1875 INCHES NOMINAL
LUBRICATION MATERIAL OIL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
STANDARD TOLERANCE DESIGNATION ABEC NO.7
BORE SHAPE STRAIGHT
SURFACE FINISH GROUND
RETAINER FABRICATION METHOD PRESSED
SEAL QUANTITY 2
BEARING SEAL TYPE CONTACT
LOAD DIRECTION RADIAL
INTERNAL CLEARANCE 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-B-81792
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE M81793/12-KA2JXN1A1

Restrictions/Controls & Freight Information | NSN 3110-00-728-2995

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:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 114820 BEARINGS/BUSHINGS NOI BALL/ROLLER
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 742 unknown
Originating Activity Code SJ Air Force Cryptological Support Center
San Antonio, TX 78243-5000
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

Management | NSN 3110-00-728-2995

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
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