Product Details | DIGITAL READOUT ELECTRONIC COUNTER

6625-00-649-4356 An instrument used to count the frequency of recurrent electronic events and display the count on the panel of the instrument in numeric form. May also include facilities for a readout printed on tape. May include facilities for a very accurate output which can be used as a secondary transfer standard. It can be used to measure frequency, period, time interval, phase angle, frequency ratio, and for multiple period averaging. See also COUNTER, ELECTRONIC, DIGITAL and INDICATOR, DIGITAL DISPLAY.

Part Alternates: AN/USM-26, ANUSM26, 6625-00-649-4356, 00-649-4356, 6625006494356, 006494356

Instruments and Laboratory Equipment | Electrical and Electronic Properties Measuring and Testing Instruments

Supply Group (FSG) NSN Assign. NIIN
66 01 JAN 1963 00-649-4356

Cross Reference | NSN 6625-00-649-4356

Part Number Cage Code Manufacturer
AN/USM-26 80058 JOINT ELECTRONICS TYPE DESIGNATION SYSTEM

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Technical Data | NSN 6625-00-649-4356

Characteristic Specifications
CURRENT TYPE AC
VOLTAGE RATING 115.0 VOLTS MINIMUM AND 230.0 VOLTS MAXIMUM
FREQUENCY RATING 50.0 HERTZ MINIMUM AND 1000.0 HERTZ MAXIMUM
PHASE SINGLE
SPECIAL FEATURES FREQUENCY METER; HANDBOOK OF SERVICE INSTRUCTION; FREQUENCY CONVERTER UNIT; TIME INTERVAL UNIT; CABLE ASSY SPECIAL PURPOSE,ELECTRICAL; CABLE ASSY,SPECIAL PURPOSE,ELECTRICAL; CABLE,TEST; POWER CORD; ADAPTER,CONNECTOR; ADAPTER,CONNECTOR; ADAPTER,CONNECTOR; ADAPTER,CONNECTOR; ADAPTER,CONNECTOR; ADAPTER,CONNECTOR; ADAPTER,CONNECTOR; USED FOR FREQUENCY MEASUREMENTS & TIME INTERVAL MEASUREMENTS
NONDEFINITIVE SPEC/STD DATA AN/USM-26 TYPE

Restrictions/Controls & Freight Information | NSN 6625-00-649-4356

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious 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 061700 ELEC APPLIANCES/INSTRUMENTS NOI
Less than car load rating P 77.5
Less than truck load rating W Rating Variable
Water commodity Code 72D 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
Air Special Handling Z No special handling required.
Special Handling Code Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable