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Visual Distance Computer

NSN: 6660-00-955-3351 | Model: 880007

A computer for determining the distance that can be seen by an observer, such as an aircraft pilot, to a predetermined point, such as the approach end of an airport runway. It is a component of a meteorological system for establishing criteria during the approach phase of an instrument landing under marginal or zero visibility conditions. See also computer, air traffic control.

NSN Properties and Flags
NATO Stock Number
6660-00-955-3351
DEMIL
NO
Alternating Current Voltage Rating In Volts
220.0
Unpackaged Unit Width
19.00 inches
Unpackaged Unit Height
24.00 inches
Indicator Type
Digital display
Power Source
External
Input Intelligence Type
Air data
Intelligence Input Method
Electrical
Output Intelligence Type
Range
Phase
Single
Special Features
Solid state digital system accuracy plus or minus over full range of runway visual range values
Frequency In Hertz
60.0
Functional Description
Uses inputs from transmissometer set to compute runway visual range, displays results on 2-character presentation which are compatible w/tables of us weather bureau
Supplementary Features
Uses photoelectric memory drum for transmissivity storage tables and rvr values; provides 10 reading average of rvr values; provides rvr output signal circuitry for random sampling by an auxiliar message device; contains built-in test circuits; + or - indications provided for rvr values greater than 6000 ft or less than 1000 ft; retains prev rvr value on visual display during background correction procedure

Pricing and Availability

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NSN 6660-00-955-3351 Datasheet

Supply Class (FSC):
Meteorological Instruments And Apparatus
Cross Reference:
  • 880007
  • ANFMN1
  • 880007
Cage Codes:
  • Target Corporation (CAGE 20284)
  • Joint Electronics Type Designation (CAGE 80058)
  • Cardion Inc (CAGE 12909)
Schedule B & Trade:
  • Schedule B: 9015900000 (NAICS 334519)

    Parts and accessories for surveying

  • SITC: 87414

    Parts and accessories for surveying, hydrographic, oceanographic, hydrological, meteorological, etc. Instruments and appliances, and rangefinders

  • End Use: 21160

    Measuring, testing, control instruments

Identification:
HMIC

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

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a critical feature such as tolerance, fit restrictions or application. nuclear hardness properties have not been determined (not valid for input).

Freight Information:
  • NMFC:

    061700 - Elec appliances/instruments noi

  • WCC:

    72D - Communications/electronics, other than sigint/ew or comsec repair parts and components

  • ADC:

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

  • ACC:

    H - Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps)

  • LCL:

    P - 77.5

  • LTL:

    W - Rating variable

  • SHC:

    Z - Other or no special handling required (sh)

  • 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 6660-00-955-3351 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
No recorded entities for this stock number.
What is the NIIN of NSN 6660-00-955-3351?
009553351 or 00-955-3351
Does NSN 6660-00-955-3351 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 6660-00-955-3351?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1962