NSN 6680-01-166-2158 SG202/46839, SG202/48222, SG20246839

Product Details | TACHOMETER GENERATOR

6680-01-166-2158 A generator consisting of a series of mounted coils surrounding a rotating permanent magnet or a permanent magnet and a rotating armature. The voltage output is directly proportional to the speed of rotation of the shaft. When used with an associated indicator, transmits such data as revolutions per minute, speed of travel, and the like. May also be used in servomechanism loops as a system stabilizer. Excludes rotary inverters, rotary converters, motor generators, dynamotors, generator sets, synchros, frequency or phase changers, and engine accessory generators.

Part Alternates: SG202/46839, SG202/48222, SG20246839, SG20248222, 10500701, 6680-01-166-2158, 01-166-2158, 6680011662158, 011662158

Instruments and Laboratory Equipment | Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
66	09 NOV 1983	01-166-2158	20241 ( GENERATOR, TACHOMETER )

Part Number	Request Date	QTY	Origin
6680-01-166-2158	2025-10-280	8	United States
SG202/48222	2025-04-97	266	DIBBS
SG202/48222	2025-03-89	266	DIBBS
SG202/48222	2024-02-46	17	DIBBS
SG202/48222	2023-07-208	225	DIBBS
SG202/48222	2023-05-145	64	DIBBS
SG202/48222	2023-01-17	150	DIBBS
SG202/48222	2023-01-08	150	DIBBS
6680-01-166-2158	2022-11-325	12	us
SG202/48222	2022-10-291	77	DIBBS
SG202/48222	2022-06-167	112	DIBBS
6680-01-166-2158	2022-05-129	20	United States
SG202/48222	2022-04-109	151	DIBBS
SG202/48222	2022-03-75	22	DIBBS
6680-01-166-2158	2022-01-26	64	US
SG20248222	2021-01-13	27	US
SG202/48222	2021-01-05	27	DIBBS
SG202/48222	2019-12-337	24	DIBBS
6680-01-166-2158	2018-04-107	25	US
6680-01-166-2158	2017-11-311	147	DIBBS
6680-01-166-2158	2017-05-139	110	DIBBS
6680-01-166-2158	2017-05-131	110	DIBBS
6680-01-166-2158	2015-02-35	256	DIBBS
6680-01-166-2158	2012-07-191	137	DIBBS
6680-01-166-2158	2012-01-10	485	DIBBS
6680-01-166-2158	2011-10-300	138	DIBBS
6680-01-166-2158	2011-10-299	70	DIBBS
6680-01-166-2158	2011-07-211	148	DIBBS
6680-01-166-2158	2011-04-108	215	DIBBS
6680-01-166-2158	2011-02-49	485	DIBBS
6680-01-166-2158	2010-04-99	462	DIBBS
6680-01-166-2158	2010-03-67	525	DIBBS
6680-01-166-2158	2009-10-278	162	DIBBS
6680-01-166-2158	2009-09-257	262	DIBBS
6680-01-166-2158	2009-08-215	177	DIBBS

Cross Reference | NSN 6680-01-166-2158

Part Number	Cage Code	Manufacturer
10500701	56161	GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION
SG202/46839	06046	AMETEK, INC. DBA AMETEK, ISCD
SG202/48222	06046	AMETEK, INC. DBA AMETEK, ISCD

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Related Products | NSN 6680-01-166-2158

6680-01-166-2345, 6680-01-166-2356, 6680-01-166-2440, 6680-01-166-3622, 6680-01-166-3752

Technical Data | NSN 6680-01-166-2158

Characteristic	Specifications
OVERALL LENGTH	3.380 INCHES
OVERALL WIDTH	1.250 INCHES
MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED COUPLING
SHAFT ROTATION DIRECTION	CLOCKWISE OR COUNTERCLOCKWISE SINGLE END

Restrictions/Controls & Freight Information | NSN 6680-01-166-2158

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	062120	GENERATORS/MOTORS/PARTS NOI
Less than car load rating
Less than truck load rating	W	Rating Variable
Water commodity Code	590	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	H	Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
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 6680-01-166-2158

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.
Materiel Management Aggregation Code	SX	SX:AF SICA RESIDUAL MMAC-OC-ALC
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	2	Non-Critical Repair Part. Repair parts or major components whose failure in an end item will not render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency, and which do not fit the definition of Code 3 or 4 items.
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.
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