NSN 3120-01-287-1620 HS54464, HS5446-4, HS54466

Product Details | SLEEVE BEARING

3120-01-287-1620 A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also BUSHING, SLEEVE; SPACER, SLEEVE; and WASHER (as modified). Excludes PIN, HOLLOW.

Part Alternates: HS54464, HS5446-4, HS54466, HS5446-6, KJB298000B6, KJB298000B-6, 3120-01-287-1620, 01-287-1620, 3120012871620, 012871620

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
31	17 OCT 1988	01-287-1620	13205 ( BEARING, SLEEVE )

Drawings & Photos | NSN 3120-01-287-1620

Part Number	Request Date	QTY	Origin
HS5446-6	2025-08-239	20	DIBBS
KJB298000B-6	2025-08-239	20	DIBBS
HS5446-6	2025-08-231	20	DIBBS
KJB298000B-6	2025-08-231	20	DIBBS
HS5446-6	2025-08-223	13	DIBBS
KJB298000B-6	2025-08-223	13	DIBBS
3120-01-287-1620	2018-02-39	52	DIBBS
3120-01-287-1620	2017-12-339	12	DIBBS
3120-01-287-1620	2011-12-362	10	DIBBS
3120-01-287-1620	2011-09-249	1	DIBBS
3120-01-287-1620	2011-08-232	5	DIBBS
3120-01-287-1620	2010-03-64	1	DIBBS

Cross Reference | NSN 3120-01-287-1620

Part Number	Cage Code	Manufacturer
HS5446-4	02731	MCDONNELL DOUGLAS HELICOPTER CO INC
HS5446-6	02731	MCDONNELL DOUGLAS HELICOPTER CO INC
HS5446-6	50632	KAMATICS CORPORATION
HS5446-6	73134	ROLLER BEARING COMPANY OF AMERICA, INC.
HS5446-6	8V613	BOEING COMPANY, THE DBA BOEING
KJB298000B-6	50632	KAMATICS CORPORATION

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Related Products | NSN 3120-01-287-1620

3120-01-287-1621, 3120-01-287-1622, 3120-01-287-1623, 3120-01-287-1624, 3120-01-287-1625

Technical Data | NSN 3120-01-287-1620

Characteristic	Specifications
MATERIAL	PLASTIC POLYTETRAFLUOROETHYLENE AND PLASTIC POLYAMIDE AND PLASTIC PHENOLIC INSIDE DIAMETER SURFACE OF BODY STEEL COMP 630 LEFT END SURFACE OF BODY AND FLANGE STEEL COMP 630 OUTSIDE DIAMETER SURFACE OF BODY STEEL COMP 630 OUTSIDE DIAMETER SURFACE OF FLANGE STEEL COMP 630 RIGHT END SURFACE OF BODY STEEL COMP 630 RIGHT END SURFACE OF LEFT FLANGE
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-B-81820 MIL SPEC SINGLE MATERIAL RESPONSE INSIDE DIAMETER SURFACE OF BODY AMS5643,COND H1025 PER HP1-17 ASSN STD SINGLE MATERIAL RESPONSE LEFT END SURFACE OF BODY AND FLANGE AMS5643,COND H1025 PER HP1-17 ASSN STD SINGLE MATERIAL RESPONSE OUTSIDE DIAMETER SURFACE OF BODY AMS5643,COND H1025 PER HP1-17 ASSN STD SINGLE MATERIAL RESPONSE OUTSIDE DIAMETER SURFACE OF FLANGE AMS5643,COND H1025 PER HP1-17 ASSN STD SINGLE MATERIAL RESPONSE RIGHT END SURFACE OF BODY AMS5643,COND H1025 PER HP1-17 ASSN STD SINGLE MATERIAL RESPONSE RIGHT END SURFACE OF LEFT FLANGE
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATOR	22C SOLID
OVERALL LENGTH	1.0562 INCHES NOMINAL
BODY OUTSIDE DIAMETER	2.0334 INCHES MINIMUM AND 2.0337 INCHES MAXIMUM
BODY INSIDE DIAMETER	1.7270 INCHES MINIMUM AND 1.7340 INCHES MAXIMUM
FLANGE OUTSIDE DIAMETER	2.4800 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM
FLANGE WIDTH	0.0887 INCHES MINIMUM AND 0.0937 INCHES MAXIMUM
CORNER SHAPE	SQUARE ALL CORNERS
SPECIAL FEATURES	MAGNETIC PARTICLE INSPECTION PER HP6-5
SPECIFICATION/STANDARD DATA	02731-HS5446 MANUFACTURERS STANDARD
MANUFACTURERS CODE	02731
MFR SOURCE CONTROLLING REFERENCE	HS5446-6

Restrictions/Controls & Freight Information | NSN 3120-01-287-1620

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	114850	BEARING/BUSHING O/T BALL/ROLLER I/S
Less than car load rating
Less than truck load rating	Q	70.0
Water commodity Code	742	unknown
Originating Activity Code	KH	Defense Industrial Supply Center Philadelphia, PA 19111
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 3120-01-287-1620

Army

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