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NSN 3120-01-178-1893, 3120011781893
Cancelled -> Replaced by 3120009500086

Federal Supply Classification
FSC 3120 - Bearings, Plain, Unmounted
National Item Identification Number
NIIN 011781893
Codification Country
United States
Item Name Code
INC 13209
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 3120-01-178-1893

National Stock Number (NSN) 3120-01-178-1893, or NIIN 011781893, (bearing,plain,rod end) was assigned May 2, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 3120009500086.

There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 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 3 different weapons systems.

There has been very little 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 Sep 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 13209. [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.]. 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 3120011781893 does not contain precious metals.

This NSN is associated to Schedule B 8483308055: transmission shafts: bearing housings, plain shaft bearings with housing, rod end bearings. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333613: mechanical power transmission equipment manufacturing.

This information was last updated on .


Technical Characteristics

MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) UNABLE TO DECODE
SURFACE TREATMENT
(SFTT) CADMIUM ROD END BODY AND CHROMATE ROD END BODY
MATERIAL
(MATT) UNABLE TO DECODE
BORE DIAMETER
(ABXV) 0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM
BORE CENTER TO SHANK END DISTANCE
(AGGG) 2.3120 INCHES NOMINAL
HARDNESS RATING
(CQFM) 28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM RACE INSERT
HARDNESS RATING
(CQFM) 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM ROD END BODY
HARDNESS RATING
(CQFM) 55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM INNER MEMBER
INNER MEMBER WIDTH
(AGGJ) 0.3730 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM
LUBRICATION FEATURE
(CTLM) SELF-LUBRICATING LINER RACE LINER
OVERALL LENGTH
(ABHP) 2.8120 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE RACE INSERT
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE ROD END BODY
MATERIAL
(MATT) STEEL COMP 440C INNER MEMBER
MATERIAL
(MATT) STEEL COMP 630 RACE INSERT
MATERIAL
(MATT) STEEL COMP E4340 ROD END BODY
OUTER MEMBER OUTSIDE DIAMETER
(AGGF) 1.0000 INCHES NOMINAL
OUTER MEMBER WIDTH
(AGGH) 0.2760 INCHES MINIMUM AND 0.2860 INCHES MAXIMUM
SHANK END TO SHOULDER LENGTH
(AGGL) 1.7810 INCHES NOMINAL
SHANK STYLE
(AAZF) EXTERNALLY THREADED
SHANK THREAD LENGTH
(AGGY) 1.6870 INCHES MINIMUM AND 1.7180 INCHES MAXIMUM
STATIC RADIAL LOAD RATING
(AGKP) 8750 POUNDS
STYLE DESIGNATOR
(STYL) SHOULDERED BALL TYPE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE ROD END BODY
SURFACE TREATMENT
(SFTT) CADMIUM AND CHROMATE ROD END BODY
TEST DATA DOCUMENT
(TEST) 81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD CLASS
(AAJD) 3A
THREAD DIAMETER
(AWDP) 0.3750 INCHES NOMINAL
THREAD SERIES DESIGNATOR
(THSD) UNF
THREAD QUANTITY PER INCH
(CMLP) 24

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