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NSN 3120-01-176-4042, 3120011764042
BEARING,PLAIN,SELF-ALIGNING

Federal Supply Classification
FSC 3120 - Bearings, Plain, Unmounted
National Item Identification Number
NIIN 011764042
Codification Country
United States
Item Name Code
INC 13208
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 3120-01-176-4042

National Stock Number (NSN) 3120-01-176-4042, or NIIN 011764042, (bearing,plain,self-aligning) was assigned April 11, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 06, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 13208. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3120011764042 does not contain precious metals.

This NSN is associated to Schedule B 8482300040: spherical roller bearings, single row. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332991: ball and roller bearing manufacturing.

This information was last updated on .


Technical Characteristics

BORE DIAMETER
(ABXV) 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
HARDNESS RATING
(CQFM) 27.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
HARDNESS RATING
(CQFM) 56.0 ROCKWELL C MINIMUM INNER MEMBER
INNER MEMBER WIDTH
(AGGJ) 0.3410 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM
OUTER MEMBER WIDTH
(AGGH) 0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER
(AGGF) 0.6557 INCHES MINIMUM AND 0.6562 INCHES MAXIMUM
LUBRICATION FEATURE
(CTLM) GROOVE EXTERNAL OUTER MEMBER
LUBRICATION FEATURE
(CTLM) GROOVE INTERNAL INNER MEMBER
LUBRICATION FEATURE
(CTLM) GROOVE INTERNAL OUTER MEMBER
LUBRICATION FEATURE
(CTLM) PERFORATION OUTER RACE MEMBER
LUBRICATION FEATURE
(CTLM) PERFORATION INNER MEMBER
LUBRICATION MATERIAL
(ADZG) GREASE, MIL-G-21164
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) FED STD 66 FED STD 1ST MATERIAL RESPONSE OR AMS 5630 ASSN STD 2ND MATERIAL RESPONSE INNER MEMBER
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) 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
MATERIAL
(MATT) STEEL COMP E4340 OR STEEL COMP 4130 OR STEEL COMP 8630 OUTER RACE MEMBER
MATERIAL
(MATT) STEEL COMP E52100 OR STEEL COMP 440C INNER MEMBER
SPECIAL FEATURES
(FEAT) PLATING OF INNER RACE MEMBER TO BE 0.0002 IN. MIN THICK ON SPHERICAL SURFACES,0.0005 IN. THICK ON FACES
SPECIFICATION/STANDARD DATA
(ZZZK) 96906-MS21155S4 GOVERNMENT STANDARD
STATIC RADIAL LOAD RATING
(AGKP) 7080 POUNDS
STYLE DESIGNATOR
(STYL) WITHOUT INSERT OR LINER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RACE MEMBER
SURFACE TREATMENT
(SFTT) CHROMIUM INNER MEMBER
SURFACE TREATMENT
(SFTT) CADMIUM OUTER RACE MEMBER
MATERIAL
(MATT) STEEL COMP E52100 INNER MEMBER OR STEEL COMP 440C INNER MEMBER
MATERIAL
(MATT) STEEL COMP E4340 OUTER RACE MEMBER OR STEEL COMP 4130 OUTER RACE MEMBER OR STEEL COMP 8630 OUTER RACE MEMBER

Manufacturer Part Numbers

ABG4A

RNCC
5
RNVC
1
AS21155

RNCC
5
RNVC
9
MS21155S4

RNCC
3
RNVC
9
MS21155S4

RNCC
5
RNVC
9
MS21155S4

RNCC
3
RNVC
2
AS21155

RNCC
5
RNVC
1

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