Product Details | SELF-ALIGNING PLAIN BEARING

3120-01-176-4042 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 item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes BEARING, PLAIN, ROD END and BEARING, PLAIN, SPHERICAL.

Part Alternates: MS21155S4, ABG4A, AS21155, 3120-01-176-4042, 01-176-4042, 3120011764042, 011764042

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 11 APR 1984 01-176-4042

Drawings & Photos | NSN 3120-01-176-4042


Demand History | NSN 3120-01-176-4042

Part Number Request Date QTY Origin
MS21155S4 2013-04-92 12 Israel
MS21155S4 2013-04-92 34 Israel

Cross Reference | NSN 3120-01-176-4042

Part Number Cage Code Manufacturer
ABG4A 0D1M6 NMB TECHNOLOGIES CORPORATION DIV ADVANCED ELECTRONICS ENGINEERING
AS21155 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21155S4 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21155S4 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 3120-01-176-4042

Characteristic Specifications
MATERIAL STEEL COMP E52100 OR STEEL COMP 440C INNER MEMBER STEEL COMP E4340 OR STEEL COMP 4130 OR STEEL COMP 8630 OUTER RACE MEMBER
MATERIAL DOCUMENT AND CLASSIFICATION FED STD 66 FED STD 1ST MATERIAL RESPONSE OR AMS 5630 ASSN STD 2ND MATERIAL RESPONSE INNER MEMBER MIL-S-5000 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6758 ASSN STD 2ND MATERIAL RESPONSE OR MIL-S-6050 ASSN STD 3RD MATERIAL RESPONSE OUTER RACE MEMBER
HARDNESS RATING 56.0 ROCKWELL C MINIMUM INNER MEMBER 27.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
SURFACE TREATMENT CHROMIUM INNER MEMBER CADMIUM OUTER RACE MEMBER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RACE MEMBER
STYLE DESIGNATOR 11B WITHOUT INSERT OR LINER
BORE DIAMETER 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER 0.6557 INCHES MINIMUM AND 0.6562 INCHES MAXIMUM
OUTER MEMBER WIDTH 0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM
INNER MEMBER WIDTH 0.3410 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM
LUBRICATION MATERIAL GREASE, MIL-G-21164
LUBRICATION FEATURE GROOVE EXTERNAL OUTER MEMBER PERFORATION INNER MEMBER GROOVE INTERNAL INNER MEMBER GROOVE INTERNAL OUTER MEMBER PERFORATION OUTER RACE MEMBER
STATIC RADIAL LOAD RATING 7080 POUNDS
SPECIAL FEATURES PLATING OF INNER RACE MEMBER TO BE 0.0002 IN. MIN THICK ON SPHERICAL SURFACES,0.0005 IN. THICK ON FACES
SPECIFICATION/STANDARD DATA 96906-MS21155S4 GOVERNMENT STANDARD
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS21155S4

Restrictions/Controls & Freight Information | NSN 3120-01-176-4042

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 3120-01-176-4042

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each