6645-00-491-0462

Find complete technical information, availability, and procurement data for: 6645-00-491-0462
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6645 Time Measuring Instruments

National Stock Number

6645-00-491-0462

Item Name Code

62186

Assigment Date

03/14/1972 (54 years ago)

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.

input 1 mhz unheated crystal, temp. from m 20 to p 40 deg. c, outputs 1000 pps, 100 pps, 1 pps positive, level 0 porm 0.4 v dc to p 5 v dc peak from a 5 ma source, rise time less than 0.5 microseconds, power 12 to 50 v dc 0.7 amps at 28 v dc, 115/230 v ac porm 10 prct, 48 to 440 hz optional, connector ront panel ms/pt pygmy type pt02a-14-5p,pt06a-14-5s sr mating connector supplied, 7.625 in. h; 12.500 in. d; 4.875 in. w special features

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Special Features: input 1 mhz unheated crystal, temp. from m 20 to p 40 deg. c, outputs 1000 pps, 100 pps, 1 pps positive, level 0 porm 0.4 v dc to p 5 v dc peak from a 5 ma source, rise time less than 0.5 microseconds, power 12 to 50 v dc 0.7 amps at 28 v dc, 115/230 v ac porm 10 prct, 48 to 440 hz optional, connector ront panel ms/pt pygmy type pt02a-14-5p,pt06a-14-5s sr mating connector supplied, 7.625 in. h; 12.500 in. d; 4.875 in. w

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 6645-00-491-0462?

The FSCG of the NSN 6645-00-491-0462 is 6645

Does the NSN 6645-00-491-0462 have a Schedule B code assigned?

Yes, the Schedule B code is 9114909000

Does NSN 6645-00-491-0462 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 6645-00-491-0462 contain precious materials?

Precious metal content is unknown

Does NSN 6645-00-491-0462 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 6645-00-491-0462 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Tue, Mar 14, 1972