Product Details | ELECTRICAL TACHOMETER INDICATOR

6680-01-490-4443 An instrument which displays, in units of revolutions per minute, the transmitted rotational speed of a shaft for a specified elapsed time.2036320000066200018Engine Instruments66800078Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments

Part Alternates: B2094, H7497721105, H749-7721-105, PK4201, PK420-1, 437-7015396-105, 437-8357206-011 , 6680-01-490-4443, 01-490-4443, 4377015396105, 4378357206011, 6680014904443, 014904443

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

Supply Group (FSG) NSN Assign. NIIN
66 27 SEP 2001 01-490-4443

Drawings & Photos | NSN 6680-01-490-4443


Demand History | NSN 6680-01-490-4443

Part Number Request Date QTY Origin
PK420-1 2023-11-23 10 DIBBS
PK420-1 2023-10-12 8 DIBBS
PK420-1 2023-07-28 2 DIBBS
PK420-1 2023-07-16 2 DIBBS
PK420-1 2023-04-25 10 DIBBS
PK420-1 2023-02-20 10 DIBBS
PK420-1 2022-04-13 8 DIBBS
PK420-1 2022-04-05 8 DIBBS
PK420-1 2022-03-23 3 DIBBS
PK420-1 2022-03-08 3 DIBBS
PK420-1 2022-02-15 1 DIBBS
PK420-1 2021-11-09 2 DIBBS
PK420-1 2021-08-10 2 DIBBS
PK420-1 2021-08-08 3 DIBBS
6680-01-490-4443 2021-01-05 2 United States
PK420-1 2020-02-09 3 DIBBS
6680-01-490-4443 2019-10-02 1 US
PK420-1 2019-07-24 3 DIBBS
6680-01-490-4443 2019-07-18 1 US
PK420-1 2019-06-07 3 DIBBS
PK420-1 2019-05-30 3 DIBBS
6680-01-490-4443 2018-03-12 6 United States
6680-01-490-4443 2017-05-09 5 DIBBS
PK4201 2016-09-22 2 US
6680-01-490-4443 2016-04-05 2 DIBBS
6680-01-490-4443 2016-02-09 1 DIBBS
6680-01-490-4443 2016-01-12 1 DIBBS
6680-01-490-4443 2015-08-04 2 DIBBS
6680-01-490-4443 2010-01-11 1 DIBBS
6680-01-490-4443 2009-10-08 1 DIBBS
6680-01-490-4443 2009-08-07 1 DIBBS

Cross Reference | NSN 6680-01-490-4443

Part Number Cage Code Manufacturer
437-7015396-105 53711 NAVAL SEA SYSTEMS COMMAND
437-8357206-011 53711 NAVAL SEA SYSTEMS COMMAND
B2094 20049 THE ELECTRIC TACHOMETER CORP.
H749-7721-105 96169 ELECTRIC BOAT CORPORATION
PK420-1 12763 DYNALEC CORPORATION
PK420-1 20049 THE ELECTRIC TACHOMETER CORP.

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Technical Data | NSN 6680-01-490-4443

Characteristic Specifications
CASE MATERIAL ALUMINUM
ELECTRICAL CONNECTION QUANTITY 1
PRESENTATION TYPE DIGITAL DISPLAY
DISPLAY DIGIT QUANTITY 6
CONTACT QUANTITY 15
CONTACT TYPE SOCKET
MOUNTING FACILITY TYPE AND QUANTITY 4 UNTHREADED HOLE
MOUNTING HOLE DIAMETER 0.156 INCHES NOMINAL
MOUNTING ARRANGEMENT STYLE 3 FOUR HOLE/STUD RECTANGULAR/SQUARE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH 4.500 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH 2.120 INCHES NOMINAL
LENGTH 5.000 INCHES NOMINAL
WIDTH 2.750 INCHES NOMINAL
DEPTH 5.750 INCHES NOMINAL
SPECIAL FEATURES 120V AC LINE AND 120V AC NEUTRAL; +12 V DC OUTPUT
III END ITEM IDENTIFICATION LOS ANGELES CLASS SSN (688)
III PART NAME ASSIGNED BY CONTROLLING AGENCY DIGITAL SHAFT REVOLUTION CONTROL WITH EMI SUPPRESSION AND HUMIDITY SEALING FEATURES MODEL PK420-1

Restrictions/Controls & Freight Information | NSN 6680-01-490-4443

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem 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.
Category Code Description
NMF Description 177220 SPEED INDICATORS/HEADS/ODOMETERS
Less than car load rating
Less than truck load rating J 100.2
Water commodity Code 593 unknown
Originating Activity Code CX Defense Supply Center Richmond
Richmond, VA 23297-5000
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 6680-01-490-4443

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT 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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each