NSN 3110-01-158-7178 MRC305S, 3305X1A, 12321729

Product Details | ANNULAR BALL BEARING

3110-01-158-7178 A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see BEARING, BALL, DUPLEX. Excludes BEARING, BALL, AIRFRAME.

Part Alternates: MRC305S, 3305X1A, 12321729, 305, 3110-01-158-7178, 01-158-7178, 3110011587178, 011587178

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
31	27 JUL 1983	01-158-7178	00014 ( BEARING, BALL, ANNULAR )

Drawings & Photos | NSN 3110-01-158-7178

Part Number	Request Date	QTY	Origin
12321729	2025-10-294	102	DIBBS
12321729	2025-02-34	124	DIBBS
12321729	2024-04-114	70	DIBBS
12321729	2024-03-89	128	DIBBS
12321729	2024-03-88	127	DIBBS
12321729	2024-03-79	127	DIBBS
12321729	2023-12-339	128	DIBBS
3110-01-158-7178	2020-10-275	100	United States
12321729	2019-11-317	321	DIBBS
3110-01-158-7178	2018-09-260	370	DIBBS
3110-01-158-7178	2018-09-249	370	DIBBS
3110-01-158-7178	2018-01-17	307	DIBBS
3110-01-158-7178	2018-01-03	307	DIBBS
305	2015-11-323	60	Malaysia
305	2014-11-325	36	Malaysia
305	2013-09-263	100	US
305	2013-07-182	10	Greece
305	2010-03-88	100	US
305	2010-03-88	100	US
305	2009-10-300	100	US
12321729	2009-09-271	790	US
3110-01-158-7178	2009-09-271	790	US
305	2007-11-318	10	United States

Cross Reference | NSN 3110-01-158-7178

Part Number	Cage Code	Manufacturer
12321729	01212	FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT
12321729	0LTL1	NTN BEARING CORPORATION OF AMERICA
12321729	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
12321729	38443	SKF USA INC DBA SKF AEROENGINE NORTH AMERICA
12321729	52676	SKF USA INC.
305	01212	FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT
3305X1A	43334	GENERAL MOTORS CORP DELCO MORAINE NDH DIV
MRC305S	52676	SKF USA INC.

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Related Products | NSN 3110-01-158-7178

3110-01-158-8847, 3110-01-158-9607, 3110-01-158-9610, 3110-01-159-1018, 3110-01-159-1020

Technical Data | NSN 3110-01-158-7178

Characteristic	Specifications
MATERIAL	STEEL OVERALL
STYLE DESIGNATOR	10A NON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH	0.6643 INCHES MINIMUM AND 0.6693 INCHES MAXIMUM
BORE DIAMETER	0.9838 INCHES MINIMUM AND 0.9844 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER	2.4402 INCHES MINIMUM AND 2.4411 INCHES MAXIMUM
BORE SHAPE	STRAIGHT
SURFACE FINISH	UNGROUND
LOAD DIRECTION	RADIAL
MANUFACTURERS CODE	19207
MFR SOURCE CONTROLLING REFERENCE	12321729

Restrictions/Controls & Freight Information | NSN 3110-01-158-7178

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.

Category	Code	Description
NMF Description	114820	BEARINGS/BUSHINGS NOI BALL/ROLLER
Less than car load rating	P	77.5
Less than truck load rating	P	77.5
Water commodity Code	742	unknown
Originating Activity Code	AZ	U.S. Army Tank-Automotive and Armaments Command Warren, MI 48397-5000
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 3110-01-158-7178

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	Z	INSURANCE/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 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.
Price Validation	N	The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM. The price has not been analyzed or reviewed for accuracy. ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund Code	SF	Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
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	Z	INSURANCE/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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each

Category	Code	Description
Stores Account Code	1	Marine Corps Stock Fund Account Item.
Combat Essentiality Code	5	Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management Code	B	All CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code	2	ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Physical Category Code	1	Bin
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DM	U.S. Marine Corps
Service Organization	M	U.S. Marine Corps
Reparability	Z	Nonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice Codes	Z	INSURANCE/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 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	Z	INSURANCE/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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each