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Graphical Firing Scale

NSN: 1220-00-335-4979 | Model: 8262148
ITAR Registered seal

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.

NSN Properties and Flags
NATO Stock Number
Yes - ITAR Controlled
General Description
Rule no. 1 single-face type, rule no. 2 double-face type; wooden body; w/cursion, plastic; scale data, scales graduated in mils, 2 to 10 mils, 4 to 6 mils, 4 to 8 mils, 5 to 10 mils, 6 to 11 mils, 9 to 29 mils, 50 to 250 mils, 100 to 400 mils, 170 to 600 mils, 260 to 832.2 mils, 900 to 1150 mils, range of scales, scales graduated in seconds, 6 to 28 seconds, 16 to 50 seconds, 20 to 54 seconds, 35 to 75 seconds, 72 to 84 seconds, 90 to 105 seconds, range of scales, scales graduated in yards, 1 to 4 yds, 2 to 10 yds, 3 to 12 yds, 6 to 25 yds, 30 to 60 yds, 35 to 75 yds, 3500 to 12500 yds, 8700 to 19000 yds, 9600 to 21000 yds, 12500 to 27000 yds, 16000 to 30000 yds, range of scales; w/matte surface for pencil corrections; w/case

Pricing and Availability

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NSN 1220-00-335-4979 Datasheet

Supply Class (FSC):
Fire Control Computing Sights And Devices
Cross Reference:
  • 8262148
Cage Codes:
  • Us Army Ardec Rdecom (CAGE 19200)
Schedule B & Trade:
  • Schedule B: 9803200000 (NAICS 990000)

    Military equipment's not identified by kind

  • SITC: 93100

    Special transactions and commodities not classified according to kind

  • End Use: 50060

    Military apparel and footwear


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


U - 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.

Freight Information:
  • NMFC:

    058260 - Rulers rules/dimension scales

  • WCC:

    653 - Musical instruments

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • LCL:

    D - 200.0

  • LTL:

    D - 200.0

  • ACC:

    S - Office and school supplies and equipment including office machines, furniture and stationary.

  • TCC:

    Z - No special type of cargo code applicable

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 1220-00-335-4979 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Austria, Republic Of Korea, and Turkey
What is the NIIN of NSN 1220-00-335-4979?
003354979 or 00-335-4979
Does NSN 1220-00-335-4979 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 1220-00-335-4979?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963