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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
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.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Precious metal content is unknown
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
HMIC: Hazardous Material Indicator Code. A one position code that identifies a hazardous item.
PMIC: Precious Metal Indicator Code. A one position code which identifies items that have precious metals as part of their content. precious metals are those metals generally considered to be uncommon, highly valuable, and relatively superior in certain properties such as resistance to corrosion and electrical conductivity.
ESD: Electrostatic Discharge. Indicates if an item is susceptible to electrostatic discharge or electromagnetic interference damage. electrostatic discharge damage occurs when an accumulation of static electricity generated by the relative motion or separation of materials is released to another item by direct contact. electromagnetic interference damage occurs when an item comes into proximity with an electrostatic or magnetic field.
ENAC: Enviromental Attribute Code. Identifies items with environmentally preferred characteristics.
CRITL: Criticality Indicator Code. Indicates an item is technically critical by tolerance, fit, application, nuclear hardness properties, or other characteristics.