NSN 3020-00-171-1961 65355-12142-101, 00-171-1961, 6535512142101

Product Details | GROOVE PULLEY

3020-00-171-1961 A pulley with one or more grooved faces or rims of the same diameter. For pulleys encased in a shell or frame, see BLOCK, TACKLE. For items specifically designed for aviation, see PULLEY(1), GROOVE, AVIATION.

Part Alternates: 65355-12142-101, 3020-00-171-1961, 00-171-1961, 3020001711961, 6535512142101, 001711961

Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
30	27 AUG 1972	00-171-1961	08109 ( PULLEY, GROOVE )

Drawings & Photos | NSN 3020-00-171-1961

Part Number	Request Date	QTY	Origin
3020-00-171-1961	2025-09-261	21	DIBBS
6535-51-214-2101	2025-02-36	5	US
3020-00-171-1961	2024-09-267	6	DIBBS
3020-00-171-1961	2024-09-254	6	DIBBS
3020-00-171-1961	2023-06-156	6	DIBBS
3020-00-171-1961	2023-05-145	6	DIBBS
3020-00-171-1961	2022-06-167	11	DIBBS
3020-00-171-1961	2020-12-338	19	DIBBS
3020-00-171-1961	2020-10-282	14	DIBBS
3020-00-171-1961	2020-08-241	17	DIBBS
3020-00-171-1961	2020-08-217	6	DIBBS
3020-00-171-1961	2020-07-203	6	DIBBS
3020-00-171-1961	2020-04-118	8	DIBBS
3020-00-171-1961	2020-04-103	8	DIBBS
3020-00-171-1961	2020-03-86	17	DIBBS
3020-00-171-1961	2019-12-349	7	DIBBS
3020-00-171-1961	2019-09-251	6	DIBBS
3020-00-171-1961	2018-02-46	22	DIBBS
3020-00-171-1961	2017-12-362	22	DIBBS
3020-00-171-1961	2017-09-247	22	DIBBS
3020-00-171-1961	2017-06-166	8	DIBBS
3020-00-171-1961	2017-06-155	8	DIBBS
3020-00-171-1961	2016-12-349	21	DIBBS
3020-00-171-1961	2012-08-228	4	DIBBS
3020-00-171-1961	2009-07-208	15	DIBBS
3020-00-171-1961	2009-04-93	57	DIBBS
3020-00-171-1961	2009-03-79	57	DIBBS
3020-00-171-1961	2008-05-127	1	DIBBS
3020-00-171-1961	2007-03-85	2	DIBBS
3020-00-171-1961	2007-02-37	16	DIBBS
3020-00-171-1961	2007-01-26	16	DIBBS

Cross Reference | NSN 3020-00-171-1961

Part Number	Cage Code	Manufacturer
65355-12142-101	78286	SIKORSKY AIRCRAFT CORPORATION

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Related Products | NSN 3020-00-171-1961

3020-00-171-2603, 3020-00-171-2668, 3020-00-171-3008, 3020-00-171-3013, 3020-00-171-3029

Technical Data | NSN 3020-00-171-1961

Characteristic	Specifications
STYLE DESIGNATOR	A1 PLAIN
OUTSIDE DIAMETER	5.200 INCHES NOMINAL
PITCH DIAMETER	4.490 INCHES NOMINAL
FACE WIDTH	1.500 INCHES NOMINAL
DESIGN FORM	PLAIN
LIGHTENING HOLE	NOT INCLUDED
INTEGRAL COOLING VANE	NOT INCLUDED
MATERIAL AND LOCATION	ALUMINUM ALLOY, QQ-A-225/6, ALLOY 2024, T351 OVERALL
SURFACE TREATMENT	CHROME OXIDE
GROOVE SHAPE	V
GROOVE QUANTITY	3
GROOVE DEPTH	0.350 INCHES MINIMUM AND 0.360 INCHES MAXIMUM
GROOVE WIDTH	0.345 INCHES MINIMUM AND 0.355 INCHES MAXIMUM
V GROOVE ANGLE IN DEG	38.0
BORE FEATURE	INCLUDED
BEARINGS	NOT INCLUDED
BORE TYPE	STRAIGHT
BORE DIAMETER	2.750 INCHES MINIMUM AND 2.754 INCHES MAXIMUM
BORE LENGTH	1.500 INCHES NOMINAL
COUNTERBORE FEATURE	NOT INCLUDED
KEYING FACILITY	NOT INCLUDED
SPLIT HUB FEATURE	NOT INCLUDED
SECURING METHOD	DRILLED HOLE
SECURING LOCATION	PULLEY SURFACE
SECURING HOLE QUANTITY	4
HOLE LOCATION	LOCATED ON PULLEY SURFACE 90 DEGREES APART
BOLT CIRCLE DIAMETER	3.437 INCHES NOMINAL
DRILLED HOLE DIAMETER	0.281 INCHES NOMINAL
MANUFACTURERS CODE	78286
DESIGN CONTROL REFERENCE	65355-12142-101

Restrictions/Controls & Freight Information | NSN 3020-00-171-1961

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:	U	Precious metal type is unknown
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	127320	PULLEYS/SHEAVES,NOI
Less than car load rating
Less than truck load rating	Q	70.0
Water commodity Code	593	unknown
Originating Activity Code	KE	Naval ICP 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 3020-00-171-1961

Navy

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