1220-00-789-2985

Find complete technical information, availability, and procurement data for: 1220-00-789-2985
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Federal Supply Group

Fire Control Equipment

Federal Supply Classification

1220 Fire Control Computing Sights and Devices

National Stock Number

1220-00-789-2985

Item Name Code

21860

Assigment Date

01/01/1962 (64 years ago)

A device designed in the form of a slide rule, having one or more scales of varying ranges, on either surface, and a plastic cursor with a matte to receive pencil markings of range correction. It is used with various types of ground and sky-sweeper weapons to determine quadrant elevation, angle of sight, or drift, and to calculate the trajectory of a projectile in relation to a target. It may contain scales for yards to meters conversion and gage points which are used in conjunction with the cursor and range scale to convert data given in meters to yards. Scales may be in mils for determining high angle fire, time of flight, deflection shift, and the like.

rule no. 1,double-face type,rule no. 2,double-face type; hardboard body; w/cursor,plastic; scale data,scales graduated in meters,25 to 50 meter,27 to 50 meter,30 to 50 meter,500 to 5800 meter,850 to 3600 meter,2700 to 7400 meter,3000 to 14500 meter,3400 to 9000 meter,6000 to 10000 meter,7500 to 14000 meter,range of scales,scales graduated in mils,2 to 15 mil,2 to 30 mil,3 to 7 mil,3 to 8 mil,3 to 11 mil,3 to 14 mil,3 to 15 mil,3 to 16 mil,3 to 27 mil,3 to 28 mil,3 to 38,4 to 15 mil,5 to 13 mil,5 to 15 mil,5 to 18 mil,5 to 19 mil,5 to 50 mil,7 to 14 mil,7 to 35 mil,10 to 18 mil,11 to 30 mil,14 to 38 mil,18 to 67 mil,28 to 115 mil,110 to 550 mil,110 to 600 mil,150 to 600 mil,200 to 500 mil,200 to 700 mil,900 to 1150 mil,900 to 1160 mil,range of scales,scales graduated in seconds,4.5 to 23 seconds,7 to 30 seconds,10 to 34 seconds,11 to 35 seconds,17 to 35 seconds,20 to 55 seconds,30 to 37 seconds,35 to 41 seconds,40 to 47 seconds,45 to 53 seconds,50 to 60 seconds,56 to 68 second general characteristics item description

Product Characteristics

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

General Characteristics Item Description: rule no. 1,double-face type,rule no. 2,double-face type; hardboard body; w/cursor,plastic; scale data,scales graduated in meters,25 to 50 meter,27 to 50 meter,30 to 50 meter,500 to 5800 meter,850 to 3600 meter,2700 to 7400 meter,3000 to 14500 meter,3400 to 9000 meter,6000 to 10000 meter,7500 to 14000 meter,range of scales,scales graduated in mils,2 to 15 mil,2 to 30 mil,3 to 7 mil,3 to 8 mil,3 to 11 mil,3 to 14 mil,3 to 15 mil,3 to 16 mil,3 to 27 mil,3 to 28 mil,3 to 38,4 to 15 mil,5 to 13 mil,5 to 15 mil,5 to 18 mil,5 to 19 mil,5 to 50 mil,7 to 14 mil,7 to 35 mil,10 to 18 mil,11 to 30 mil,14 to 38 mil,18 to 67 mil,28 to 115 mil,110 to 550 mil,110 to 600 mil,150 to 600 mil,200 to 500 mil,200 to 700 mil,900 to 1150 mil,900 to 1160 mil,range of scales,scales graduated in seconds,4.5 to 23 seconds,7 to 30 seconds,10 to 34 seconds,11 to 35 seconds,17 to 35 seconds,20 to 55 seconds,30 to 37 seconds,35 to 41 seconds,40 to 47 seconds,45 to 53 seconds,50 to 60 seconds,56 to 68 second

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
8213840	Graphical Firing Scale

FAQs

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

What is the FSCG of the NSN 1220-00-789-2985?

The FSCG of the NSN 1220-00-789-2985 is 1220

Does the NSN 1220-00-789-2985 have a Schedule B code assigned?

Yes, the Schedule B code is 9803200000

Does NSN 1220-00-789-2985 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 1220-00-789-2985 contain precious materials?

Precious metal content is unknown

Does NSN 1220-00-789-2985 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 1220-00-789-2985 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962