NSN 3110-00-120-1638 N20955PC3, NA6779067720D, NA67790-67720D

Product Details | TAPERED ROLLER BEARING

3110-00-120-1638 A cylindrical device in which the inner cone or outer cup turns upon a single or double row of tapered hardened rollers which roll easily in a race, thus minimizing friction and designed to carry a radial load and capable of sustaining axial thrust. Excludes BEARING, ROLLER, THRUST.

Part Alternates: N20955PC3, NA6779067720D, NA67790-67720D, B21033C, HC9798SPCN769, N769, 2161, 3308208, 80051341, 800513-41, 800513PC41, 800520PC41, 800524PC41, 801068PC41, 801069PC41, 8717, 921614, 3110-00-120-1638, 00-120-1638, 3110001201638, 001201638

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
31	01 JAN 1963	00-120-1638	00021 ( BEARING, ROLLER, TAPERED )

Drawings & Photos | NSN 3110-00-120-1638

Part Number	Request Date	QTY	Origin	SBA
2161	2022-09-263	1	VI

Cross Reference | NSN 3110-00-120-1638

Part Number	Cage Code	Manufacturer
2161	21444	REXNORD LLC DIV FALK GEAR GROUP DIVISION
3308208	24617	GENERAL MOTORS CORP
800513-41	21444	REXNORD LLC DIV FALK GEAR GROUP DIVISION
800513PC41	21444	REXNORD LLC DIV FALK GEAR GROUP DIVISION
800520PC41	21444	REXNORD LLC DIV FALK GEAR GROUP DIVISION
800524PC41	21444	REXNORD LLC DIV FALK GEAR GROUP DIVISION
801068PC41	21444	REXNORD LLC DIV FALK GEAR GROUP DIVISION
801069PC41	21444	REXNORD LLC DIV FALK GEAR GROUP DIVISION
8717	24617	GENERAL MOTORS CORP
8717	99185	EATON CORPORATION DBA AIRFLEX DIV
921614	21444	REXNORD LLC DIV FALK GEAR GROUP DIVISION
B21033C	24617	GENERAL MOTORS CORP
B21033C	60038	TIMKEN CORPORATION, THE
HC9798SPCN769	80830	AMERICAN STANDARD INC
N20955PC3	24617	GENERAL MOTORS CORP
N769	80830	AMERICAN STANDARD INC
NA67790-67720D	21444	REXNORD LLC DIV FALK GEAR GROUP DIVISION
NA67790-67720D	24617	GENERAL MOTORS CORP
NA67790-67720D	60038	TIMKEN CORPORATION, THE

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Related Products | NSN 3110-00-120-1638

3110-00-120-1639, 3110-00-120-1640, 3110-00-120-1656, 3110-00-120-1735, 3110-00-120-2776

Technical Data | NSN 3110-00-120-1638

Characteristic	Specifications
MATERIAL	STEEL OVERALL
STYLE DESIGNATOR	376 STRAIGHT BORE, DOUBLE CUP, SINGLE CONES, NON-ADJUSTABLE
OVERALL WIDTH	4.0625 INCHES NOMINAL
BORE DIAMETER	7.0000 INCHES NOMINAL
OVERALL OUTSIDE DIAMETER	9.7500 INCHES NOMINAL
BACKFACE CORNER RADIUS	0.0310 INCHES NOMINAL
STANDOUT WIDTH	0.3750 INCHES NOMINAL
CONE CORNER RADIUS	0.1400 INCHES NOMINAL
CONE WIDTH	ANY ACCEPTABLE
CUP WIDTH	3.3125 INCHES NOMINAL
STANDARD TOLERANCE DESIGNATION	AFBMA CLASS 4
SPECIAL FEATURES	OIL HOLE AND GROOVE IN CUP

Restrictions/Controls & Freight Information | NSN 3110-00-120-1638

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	A	Item 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:	0	Represents 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	114820	BEARINGS/BUSHINGS NOI BALL/ROLLER
Less than car load rating
Less than truck load rating	P	77.5
Water commodity Code	742	unknown
Originating Activity Code	XX
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 3110-00-120-1638

Category	Code	Description
Materiel Category and Inventory Manager	T	Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity	2	Stock Fund Secondary Items
Management Inventory Segment	2	NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code	0	Medical Materiel
Weapons Systems/End Item or Homogeneous Group	00	DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements Code	X	Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DA	Department of the Army
Service Organization	A	U.S. Army
Reparability	Z	This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice Codes	J	NOT 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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each

Category	Code	Description
Budget Code	9	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 Code	SF	Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Price Validation	V	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 Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DF	Department of the Air Force
Service Organization	F	U.S. Air Force
Reparability	N	Stock Fund (except Munitions)
Acquisition Advice Codes	J	NOT 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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	J	NOT 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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each