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Voltage Calibrator

NSN: 6625-00-005-1283 | Model: 721A

An item specifically designed to determine by comparison accurate input and output voltages of major electronic components. Excludes voltmeter and voltmeter, electronic.


Depth: 12 inches, height: 14 inches, width: 19.5 inches

NSN Properties and Flags
NATO Stock Number
Overall Depth
12 inches
Overall Height
14 inches
Overall Width
19.5 inches
Special Features
Mfg name dc ratio calibration system
Functional Description
Calibration of dc ratio devices such as decade voltage dividers, voltboxes, potentiometers, bridge ratio arms, and universal ratio sets
Supplementary Features
C/o 6625000716219 p/n rv722, 6625009925884 p/n lc875b, 6625001680415 p/n 801 and test leads

Pricing and Availability

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NSN 6625-00-005-1283 Datasheet

Supply Class (FSC):
Electrical And Electronic Properties Measuring And Testing Instruments
Cross Reference:
  • 721A
  • 721A
Cage Codes:
  • Electro Scientific Industries, Inc. (CAGE 9Y504)
  • Electro Scientific Industries Inc (CAGE 11837)
Schedule B & Trade:
  • Schedule B: 9030908030 (NAICS 334515)

    Parts and accessories of articles of schedule b subheading 9030.39

  • SITC: 87479

    Parts and accessories for instruments and apparatus (except meters) measuring etc. Electrical quanities and devices measuring etc. Ionized radiations

  • End Use: 21160

    Measuring, testing, control instruments


P - Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of federal standard 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.


U - Precious metal content is unknown


A - No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    061700 - Elec appliances/instruments noi

  • WCC:

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

  • ACC:

    A - Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft

  • ADC:

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

  • LCL:

    P - 77.5

  • SHC:

    Q - High sensitivity, category ii, aa&e, classified confidential

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $5,401.50 to $9,002.50..
Does NSN 6625-00-005-1283 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Air Force, Republic Of Korea, and Turkey
What is the NIIN of NSN 6625-00-005-1283?
000051283 or 00-005-1283
Does NSN 6625-00-005-1283 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 6625-00-005-1283?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jun 14, 1972