6645-01-678-3616

Find complete technical information, availability, and procurement data for: 6645-01-678-3616
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6645 Time Measuring Instruments

National Stock Number

6645-01-678-3616

Item Name Code

61237

Assigment Date

02/01/2019 (7 years ago)

A rigid or flexible item composed of one or more materials, having uniform inside and outside diameters in the entire length. It may be furnished in segments or split-round or full-round sections, composed of one or more layers. It is specifically designed to cover pipe, tubing, and like surfaces, to restrict the transfer of heat from the high temperature surface to the low temperature surface. It may also include protective coatings, jackets, attaching cement, attaching bands, and/or accessories, (excluding prefabricated components used in aircraft applications). Excludes:insulation pipe covering, thermal, aircraft.

white inscription color, 48.0 millimeters nominal overall height, 81.60 millimeters nominal overall depth, 48.0 millimeters nominal overall width, ac and dc current type

Product Characteristics

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

Overall Depth: 81.60 millimeters nominal
Overall Height: 48.0 millimeters nominal
Overall Width: 48.0 millimeters nominal
Current Type: ac and dc
Inscription Color: white
Operating Dc Voltage In Volts: 12.0 or 24.0
Timer Type: electrochemical
Reset Type: electric
Dial Size: 39.0mm
Part Name Assigned By Controlling Agency: solid-state timer h3cr
Color: gray, light

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
H3CR-A 24-48AC/12-48DC	Sequential Timer
H3CR-A AC24-48/DC12-48	Sequential Timer
H3CRA-PAC2448DC1248	Sequential Timer

FAQs

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

What is the FSCG of the NSN 6645-01-678-3616?

The FSCG of the NSN 6645-01-678-3616 is 6645

Does the NSN 6645-01-678-3616 have a Schedule B code assigned?

Yes, the Schedule B code is 9106903000

Does NSN 6645-01-678-3616 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 6645-01-678-3616 contain precious materials?

Precious metal content is unknown

Does NSN 6645-01-678-3616 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 6645-01-678-3616 was assigned to the Federal Catalog?

It was assigned 7 years ago, on Fri, Feb 1, 2019