Product Details | ROD END PLAIN BEARING

3120-00-020-6661 A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The outer member of the assembly is modified to provide a shank. The inner member may be either a plain spherical bearing or a sleeve bearing. Excludes BEARING, PLAIN, SPHERICAL and BEARING, PLAIN, SELF-ALIGNING.

Part Alternates: AR11101, AR11-101, ARB1121, ARB11-21, HB11101, HB11-101, 14749011, 14-74901-1, 1474901B1, 14-74901B-1, 4B11101, 4B11-101, 3120-00-020-6661, 00-020-6661, 3120000206661, 000206661

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 09 OCT 1972 00-020-6661

Drawings & Photos | NSN 3120-00-020-6661


Demand History | NSN 3120-00-020-6661

Part Number Request Date QTY Origin
14-74901-1 2025-10-287 4 DIBBS
14-74901-1 2025-09-265 4 DIBBS
3120-00-020-6661 2022-06-157 2 United States
3120-00-020-6661 2020-03-69 6 Turkey
3120-00-020-6661 2016-05-132 32 DIBBS
3120-00-020-6661 2016-05-124 32 DIBBS
3120-00-020-6661 2015-02-54 10 Hong Kong
3120-00-020-6661 2014-11-324 34 DIBBS
3120-00-020-6661 2014-11-316 34 DIBBS
3120-00-020-6661 2013-11-317 38 DIBBS
3120-00-020-6661 2013-09-266 38 DIBBS
3120-00-020-6661 2013-01-13 33 DIBBS
3120-00-020-6661 2011-10-290 29 DIBBS
3120-00-020-6661 2011-06-174 25 DIBBS
3120-00-020-6661 2011-06-155 13 DIBBS
3120-00-020-6661 2011-05-126 2 DIBBS
3120-00-020-6661 2010-06-181 5 DIBBS
3120-00-020-6661 2010-03-70 9 DIBBS
3120-00-020-6661 2009-12-343 16 DIBBS
3120-00-020-6661 2009-05-150 9 DIBBS
3120-00-020-6661 2009-03-72 9 DIBBS
3120-00-020-6661 2009-03-69 9 DIBBS
3120-00-020-6661 2008-08-232 16 DIBBS

Cross Reference | NSN 3120-00-020-6661

Part Number Cage Code Manufacturer
14-74901-1 02758 U S BEARINGS
14-74901-1 15860 NEW HAMPSHIRE BALL BEARINGS, INC. DBA ASTRO DIVISION
14-74901-1 50294 NEW HAMPSHIRE BALL BEARINGS, INC. DBA NHBB
14-74901-1 76823 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
14-74901B-1 76823 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
4B11-101 02758 U S BEARINGS
AR11-101 50294 NEW HAMPSHIRE BALL BEARINGS, INC. DBA NHBB
ARB11-21 15860 NEW HAMPSHIRE BALL BEARINGS, INC. DBA ASTRO DIVISION
HB11-101 02758 U S BEARINGS

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Technical Data | NSN 3120-00-020-6661

Characteristic Specifications
MATERIAL STEEL COMP E52100 INNER MEMBER COPPER ALLOY RACE INSERT STEEL COMP 4130 ROD END BODY
MATERIAL DOCUMENT AND CLASSIFICATION SAE ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER SAE ASSN STD SINGLE MATERIAL RESPONSE ROD END BODY
HARDNESS RATING 59.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM INNER MEMBER 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM ROD END BODY
SURFACE TREATMENT CHROMIUM INNER MEMBER CADMIUM RACE INSERT CADMIUM ROD END BODY
STYLE DESIGNATOR 6 BALL TYPE
OVERALL LENGTH 2.8250 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM
BORE DIAMETER 0.6870 INCHES MINIMUM AND 0.6875 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER 1.4900 INCHES MINIMUM AND 1.5100 INCHES MAXIMUM
BORE CENTER TO SHANK END DISTANCE 2.0800 INCHES MINIMUM AND 2.1200 INCHES MAXIMUM
OUTER MEMBER WIDTH 0.5570 INCHES MINIMUM AND 0.5670 INCHES MAXIMUM
INNER MEMBER WIDTH 0.6650 INCHES MINIMUM AND 0.6750 INCHES MAXIMUM
STATIC RADIAL LOAD RATING 10000 POUNDS
SHANK STYLE 7 INTERNALLY THREADED W/HEXAGON END AND INSPECTION HOLE
SHANK THREAD LENGTH 1.1000 INCHES MINIMUM
INSPECTION HOLE CENTER TO END DISTANCE 0.5000 INCHES NOMINAL
SHANK WIDTH ACROSS WRENCH FLATS 0.6250 INCHES NOMINAL
THREAD SERIES DESIGNATOR UNF
THREAD DIAMETER 0.438 INCHES NOMINAL
THREAD QUANTITY PER INCH 20
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
FEATURES PROVIDED FLUSH LUBRICATION FITTING
SPECIFICATION/STANDARD DATA 76823-14-74901B PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
MANUFACTURERS CODE 76823
MFR SOURCE CONTROLLING REFERENCE 14-74901-1

Restrictions/Controls & Freight Information | NSN 3120-00-020-6661

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 114850 BEARING/BUSHING O/T BALL/ROLLER I/S
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 742 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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 3120-00-020-6661

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.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
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
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
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