NSN 3110-00-277-8348 MS276474, MS27647-4, AS7949

Product Details | AIRFRAME BALL BEARING

3110-00-277-8348 A cylindrical item in which the inner or outer ring turns upon row(s) of hardened BALL, BEARING which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes BEARING, BALL, ANNULAR.

Part Alternates: MS276474, MS27647-4, AS7949, DW4KFAFNIR, DW4KFS464, DW4K, 10107371 , 3110-00-277-8348, 00-277-8348, 3110002778348, 002778348

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
31	08 AUG 1973	00-277-8348	00041 ( BEARING, BALL, AIRFRAME )

Drawings & Photos | NSN 3110-00-277-8348

Part Number	Request Date	QTY	Origin
3110-00-277-8348	2024-10-291	38	DIBBS
3110-00-277-8348	2024-09-254	38	DIBBS
MS276474	2021-05-125	6	United States
3110-00-277-8348	2019-02-37	173	DIBBS
3110-00-277-8348	2018-12-338	51	DIBBS
MS276474	2017-03-89	2	Korea
DW4K	2016-09-266	50	US
MS276474	2015-12-338	1	US
MS276474	2015-08-222	5	United States
MS276474	2015-07-203	42	United States
3110-00-277-8348	2015-05-132	6	United States
3110-00-277-8348	2015-04-119	10	United States
3110-00-277-8348	2015-03-77	50	MX
MS27647-4	2015-03-76	4	TH
3110-00-277-8348	2013-12-351	4	China
3110-00-277-8348	2012-03-83	2	United States
3110-00-277-8348	2011-08-213	761	DIBBS
MS276474	2010-04-119	60	United States
DW4K	2010-03-83	10	US
3110-00-277-8348	2009-10-301	338	DIBBS
3110-00-277-8348	2008-07-199	50	US
3110-00-277-8348	2008-06-157	246	DIBBS
3110-00-277-8348	2008-05-128	226	DIBBS
MS276474	2008-04-115	1000	US
3110-00-277-8348	2007-11-320	612	DIBBS
3110-00-277-8348	2007-08-232	10	US
3110-00-277-8348	2007-06-178	160	United States
MS276474	2006-06-156	1	France
MS276474	2006-05-146	48	US

Cross Reference | NSN 3110-00-277-8348

Part Number	Cage Code	Manufacturer
AS7949	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC
DW4K	38443	SKF USA INC DBA SKF AEROENGINE NORTH AMERICA
DW4KFAFNIR	21335	TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
DW4KFS464	21335	TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
DW4KFS464	3NPS1	RBC AIRCRAFT PRODUCTS, INC.
MS27647-4	81343	SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS27647-4	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Related Products | NSN 3110-00-277-8348

3110-00-277-8356, 3110-00-277-8381, 3110-00-277-9341, 3110-00-277-9363, 3110-00-277-9365

Technical Data | NSN 3110-00-277-8348

Characteristic	Specifications
MATERIAL	STEEL COMP E52100 BALL STEEL COMP E52100 INNER RING STEEL COMP E52100 OUTER RING PLASTIC POLYTETRAFLUOROETHYLENE SEAL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE BALL AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE INNER RING AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING AMS 3652 ASSN STD SINGLE MATERIAL RESPONSE SEAL
SURFACE TREATMENT	CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES
STYLE DESIGNATOR	204 DOUBLE ROW
BORE DIAMETER	0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER	0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
OUTER RING WIDTH	0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
INNER RING WIDTH	0.8700 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM
LUBRICATION MATERIAL	GREASE
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION	MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
SEAL QUANTITY	2
BEARING SEAL TYPE	CONTACT
LOAD DIRECTION	RADIAL
SPECIAL FEATURES	80 PCT FULL OF GREASE MIL-G-81322,HEAT TREAT RINGS AND BALLS TO ROCKWELL C SCALE 60 TO 66 AND HEAT STABILIZED FOR OPERATION AT 250 DEG F,RADIAL AND LATERAL ECCENTRICITY 0.0010 IN. INNER RING,0.0016 IN. OUTER RING
III PART NAME ASSIGNED BY CONTROLLING AGENCY	BEARING BALL, AIRFRAME, ANTI FRICTION, EXTRA WIDE DOUBLE ROW, INTERMEDIATE DUTY

Restrictions/Controls & Freight Information | NSN 3110-00-277-8348

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:	F	The item is an Aviation Critical Safety Item/Flight Safety Critical Aircraft Part ((ACSI/FSCAP).
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	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 3110-00-277-8348

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	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(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.
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	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(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	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each