NSN 6105-00-446-2971 N250321, N-250321, U209300

Product Details | MOTOR-TACHOMETER GENERATOR

6105-00-446-2971 An item which is an electrical rotating machine combining both control motor and tachometer generator action. The control motor and tachometer generator may be contained in the same or separate housings. It is designed for servo application where instant response to input signal is essential. It is generally used in circuits where the output potential from the tachometer generator is fed back to prevent excessive oscillation and for assuring high stability in a servo loop. Excludes DYNAMOTOR; and MOTOR-GENERATOR.

Part Alternates: N250321, N-250321, U209300, U-209300, G11-10012 AND 811MTG8-4, G1110012AND811MTG84, 10300, 118511, 11-85-11, 11G4GAB1E1GH31, 11G4G-AB1-E1GH31, 9191867, 6105-00-446-2971, 00-446-2971, 6105004462971, 004462971

Electric Wire, and Power and Distribution Equipment | Motors, Electrical

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
61	01 JAN 1963	00-446-2971	28454 ( MOTOR-TACHOMETER GENERATOR )

Part Number	Request Date	QTY	Origin
10300	2025-03-65	30	GU
6105-00-446-2971	2016-08-229	4	DIBBS
6105-00-446-2971	2015-08-237	1	DIBBS
6105-00-446-2971	2014-11-324	2	DIBBS
6105-00-446-2971	2014-07-203	2	DIBBS
6105-00-446-2971	2014-02-36	2	DIBBS
6105-00-446-2971	2013-11-310	2	DIBBS
6105-00-446-2971	2012-10-293	17	DIBBS
6105-00-446-2971	2012-01-27	3	DIBBS
6105-00-446-2971	2011-11-317	5	DIBBS
6105-00-446-2971	2010-04-120	15	DIBBS
6105-00-446-2971	2009-10-289	8	DIBBS
6105-00-446-2971	2008-04-95	13	DIBBS
6105-00-446-2971	2008-02-46	5	DIBBS

Cross Reference | NSN 6105-00-446-2971

Part Number	Cage Code	Manufacturer
10300	09532	WALTHAM CLOCK CO INC FEEDBACK CONTROLS DIV
11-85-11	67245	ARC SYSTEMS, INC.
11G4G-AB1-E1GH31	10112	GENERAL DYNAMICS GLOBAL IMAGING TECHNOLOGIES, INC.
9191867	18876	U S ARMY AVIATION AND MISSILE COMMAND
G11-10012 AND 811MTG8-4	09532	WALTHAM CLOCK CO INC FEEDBACK CONTROLS DIV
N-250321	62700	NEOTECH, INC.
U-209300	82686	TRANSICOIL LLC DBA ADS/TRANSICOIL

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Related Products | NSN 6105-00-446-2971

6105-00-446-4858, 6105-00-446-4950, 6105-00-446-5787, 6105-00-446-6549, 6105-00-446-6685

Technical Data | NSN 6105-00-446-2971

Characteristic	Specifications
OVERALL LENGTH	4.500 INCHES
OVERALL WIDTH	1.061 INCHES
OVERALL HEIGHT	1.061 INCHES
LENGTH OF SHAFT FROM HOUSING	0.626 INCHES SINGLE END
MOUNTING METHOD	FACE
MOUNTING FACILITY TYPE AND QUANTITY	1 CLAMP COLLAR AND 4 THREADED HOLE
MOUNTING FACILITY CIRCLE DIAMETER	0.812 INCHES
INCLOSURE FEATURE	TOTALLY INCLOSED
INCLOSURE SPECIFICATION	COMMERCIAL
CURRENT TYPE	AC INPUT
FREQUENCY IN HERTZ	400.0 OUTPUT
PHASE	SINGLE INPUT
CONNECTION TYPE AND VOLTAGE RATING IN VOLTS	115.0 LINE TO NEUTRAL SINGLE INPUT
POWER RATING	3.500 WATTS OUTPUT
TORQUE RATING AND TYPE	0.5 INCH-OUNCES STALLED
EXCITOR TYPE	SEPARATELY EXCITED
TEMP RATING	-40.0 OPERATING DEG CELSIUS AND 85.0 OPERATING DEG CELSIUS
COOLING METHOD	NONVENTILATED
MAXIMUM OPERATING ALTITUDE RATING	8000.0 FEET
TERMINAL TYPE AND QUANTITY	10 WIRE LEAD
CALIBRATION VOLTAGE OUTPUT TYPE IN VOLTS	0.5 AC
CALIBRATION SPEED IN RPM	1000.0
CONTROL FIELD VOLTAGE TYPE AND RATING IN VOLTS	115.0 AC
ROTOR SPEED RATING IN RPM	5800.0 SINGLE NO LOAD AND 3300.0 SINGLE FULL LOAD
SHAFT END CHARACTERISTIC	A1 SINGLE STYLE SINGLE END
SHAFT DIAMETER	0.125 INCHES NOMINAL SINGLE END
FEATURES PROVIDED	VERTICAL MOUNTING POSITION AND HORIZONTAL MOUNTING POSITION

Restrictions/Controls & Freight Information | NSN 6105-00-446-2971

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	062120	GENERATORS/MOTORS/PARTS NOI
Less than car load rating
Less than truck load rating	W	Rating Variable
Water commodity Code	593	unknown
Originating Activity Code	XX
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 6105-00-446-2971

Category	Code	Description
Materiel Category and Inventory Manager	J	Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity	2	Stock Fund Secondary Items
Management Inventory Segment	1	REPARABLE ITEMS (Exclusive of Insurance and Provisioning Items.) This code will be used to identify serviceable or unserviceable items of a durable nature which when unserviceable normally can be repaired economically by depots or lower echelons of maintenance.
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	H	If condemned or uneconomically repairable, then dispose at Intermediate level.
Acquisition Advice Codes	J	NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
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.
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	J	NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
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.
Echelon Identification Code	B	Consumable Repair Parts
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	J	NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
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	J	NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each