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NSN 6680-00-553-8892, 6680005538892
Cancelled -> Replaced by 6680005268142

Federal Supply Classification
FSC 6680 - Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
National Item Identification Number
NIIN 005538892
Codification Country
United States
Item Name Code
INC 20241
Criticality
(F) This item is a Flight Safety Critical Aircraft Part (FSCAP).
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 6680-00-553-8892

National Stock Number (NSN) 6680-00-553-8892, or NIIN 005538892, (generator,tachometer) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 6620009860208, 6620000793686, 6680005268142.

There are 11 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 11 suppliers. Today, 10 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 8 suppliers are deemed design controlled or valid supply parts. ISO Group has a strong supply network for this NSN, with 16 sources of supply.

This part number has not been procured by the US Government in over a year. There have been 14 contracts issued for this part number, with 20 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE4A620F7516, SPE4A619F608M, SPE4A619F151P, SPE4A619F7634, SPE4A619F3963. The total value of the awarded contracts has been US$ 306,884.99.

This NSN is very common among different weapons systems, belonging to 58 different platforms.

There has been a small amount of demand for this national stock number. Globally, demand for this NSN has originated from 9 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 20241. [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.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6680005538892 does not contain precious metals.

This NSN is associated to Schedule B 9029205000: speedometers and tachometers, not for use in civil aircraft. The Schedule B End Use is listed as other parts and accessories of vehicles. NAICS classification category 334513: instruments and related products manufacturing for measuring, displaying, and controlling industrial process variables.

This information was last updated on .


Technical Characteristics

CALIBRATION VOLTAGE OUTPUT TYPE IN VOLTS
(BKPC) 21.0 AC
CALIBRATION SPEED IN RPM
(BFLQ) 4200.0
FEATURES PROVIDED
(CBBL) HORIZONTAL MOUNTING POSITION AND VERTICAL MOUNTING POSITION
FLATTED PORTION LENGTH
(ABXQ) 0.431 INCHES MINIMUM SINGLE END AND 0.503 INCHES MAXIMUM SINGLE END
OVERALL LENGTH
(AAJU) 4.312 INCHES
LENGTH OF SHAFT FROM HOUSING
(CWCS) 0.467 INCHES SINGLE END
MOUNTING FACILITY TYPE AND QUANTITY
(AXHR) 4 UNTHREADED HOLE
MOUNTING METHOD
(AXGY) PAD
NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT
(CWGD) 1.876 INCHES
NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH
(CWFY) 1.876 INCHES
ROTOR SPEED RATING IN RPM
(CWFX) 5500.0 SINGLE FULL LOAD
SHAFT END CHARACTERISTIC
(CWHZ) A15 SINGLE STYLE SINGLE END
SHAFT DIAMETER
(ABWV) 0.310 INCHES MINIMUM SINGLE END AND 0.312 INCHES MAXIMUM SINGLE END
SHAFT ROTATION DIRECTION
(AKCT) CLOCKWISE SINGLE END OR COUNTERCLOCKWISE SINGLE END
TEST DATA DOCUMENT
(TEST) 81349-MIL-G-9398 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
WIDTH ACROSS FLATS
(ASDB) 0.243 INCHES MINIMUM SINGLE END AND 0.245 INCHES MAXIMUM SINGLE END
TERMINAL TYPE AND QUANTITY
(TTQY) 1 CONNECTOR, PLUG
III OVERALL LENGTH
(AAJU) 4.312 INCHES

Manufacturer Part Numbers

13540120302

ISC
1
RNCC
3
RNVC
2
2CM9ABB6

ISC
1
RNCC
5
RNVC
2
2CM9ABB6

ISC
1
RNCC
5
RNVC
2
6207301

ISC
1
RNCC
5
RNVC
2
MB6

ISC
1
RNCC
5
RNVC
2
MILG9398

ISC
1
RNCC
4
RNVC
1
MILG93982TYPEMB6

ISC
1
RNCC
4
RNVC
1
MILG9398TYPEMB6

ISC
1
RNCC
4
RNVC
1
MS250384

ISC
1
RNCC
5
RNVC
2
MS250384

ISC
1
RNCC
5
RNVC
9
MS250384

RNCC
2
RNVC
2
MS250384

ISC
1
RNCC
3
RNVC
2
SCD10271

ISC
1
RNCC
5
RNVC
2
MILG9398

RNCC
4
RNVC
1
MS250384

RNCC
5
RNVC
9
TG255002

RNCC
5
RNVC
1
TG255002

RNCC
5
RNVC
2
MS250384

RNCC
5
RNVC
1

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