Product Details | SLEEVE BEARING

3120-01-052-4478 A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also BUSHING, SLEEVE; SPACER, SLEEVE; and WASHER (as modified). Excludes PIN, HOLLOW.

Part Alternates: MS2124114C020, MS21241-14C020, M81934/2-14C020, M81934214C020, ADLF14C020, AHJF14C020, FBJW28TH14C020, FBJW28TH-14C020, FBJW28TH20M, FBRR14C020, FBRR-14C020, KDJ14C020342, KDJ14C020-342, KRJ14HDSB14C020M, KRJ14HDSB-14C020M, MILB81934, MIL-B-81934, 0728214C020, 07-282-14C020, 1232014C020, 123-2014C020, 3120-01-052-4478, 01-052-4478, 3120010524478, 010524478

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 15 DEC 1977 01-052-4478

Drawings & Photos | NSN 3120-01-052-4478


Demand History | NSN 3120-01-052-4478

Part Number Request Date QTY Origin
3120-01-052-4478 2022-07-198 66 DIBBS
M81934214C020 2021-05-123 6 United States
3120-01-052-4478 2018-08-219 39 DIBBS
3120-01-052-4478 2009-02-43 34 DIBBS
MILB81934 2007-07-199 50 US

Cross Reference | NSN 3120-01-052-4478

Part Number Cage Code Manufacturer
07-282-14C020 09455 RBC TRANSPORT DYNAMICS CORP. DIV RBC TRANSPORT DYNAMICS
123-2014C020 77896 REXNORD INDUSTRIES, LLC DIV BEARING OPERATION
ADLF14C020 15860 NEW HAMPSHIRE BALL BEARINGS, INC. DBA ASTRO DIVISION
AHJF14C020 50294 NEW HAMPSHIRE BALL BEARINGS, INC. DBA NHBB
FBJW28TH-14C020 21335 TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
FBJW28TH20M 21335 TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
FBJW28TH20M 3NPS1 RBC AIRCRAFT PRODUCTS, INC.
FBRR-14C020 73134 ROLLER BEARING COMPANY OF AMERICA, INC.
KDJ14C020-342 97613 DOVER ENGINEERED SYSTEMS, INC. DBA KAHR BEARING
KRJ14HDSB-14C020M 50632 KAMATICS CORPORATION
M81934/2-14C020 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-B-81934 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MS21241-14C020 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 3120-01-052-4478

Characteristic Specifications
MATERIAL PLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER STEEL COMP 630 OUTER LAYER
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER LAYER
STYLE DESIGNATOR 22C SOLID
OVERALL LENGTH 0.6725 INCHES MINIMUM AND 0.6875 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 1.0640 INCHES MINIMUM AND 1.0645 INCHES MAXIMUM
BODY INSIDE DIAMETER 0.8755 INCHES MINIMUM AND 0.8765 INCHES MAXIMUM
FLANGE OUTSIDE DIAMETER 1.6050 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM
FLANGE WIDTH 0.0575 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM
CORNER SHAPE SQUARE OUTSIDE LEFT CORNER SQUARE OUTSIDE RIGHT CORNER SQUARE INSIDE RIGHT CORNER SQUARE INSIDE LEFT CORNER SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER UNDERCUT LEFT FLANGE BODY CORNER
SPECIAL FEATURES PLASTIC LINER BONDED TO LEFT END SURFACE OF FLANGE
(NON-CORE DATA) UNDERCUT WIDTH 0.0620 INCHES MAXIMUM
(NON-CORE DATA) UNDERCUT DEPTH 0.0050 INCHES MAXIMUM
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-B-81934
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE M81934/2-14C020

Restrictions/Controls & Freight Information | NSN 3120-01-052-4478

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
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 3120-01-052-4478

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