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  4. 139C7804

NSN 139C7804

Tachometer Generator

A narrow strip of webbing cut to a definite length, having one or both ends processed. It is usually designed for, and may have, one or more attachments or fasteners, such as buckle; loop, strap fastener; strap end clip; ring, dee; hook; and the like. Excludes:strap, berth, mattress retaining; strap, chin; safety straps; and webbing, textile. Do not use if a more specific item name applies.

7.0 dc calibration voltage output type in volts, -0.05 to 0.05 accuracy range in percent, 1000.0 calibration speed in rpm, self-excited excitor type, 300.0 ohms electrical resistance.

NSN 6680-00-522-6397 Datasheet

(NSN) National Stock Number
6680-00-522-6397
(NIIN) National Item Identification Number
00-522-6397
Requires Demilitarization
Yes
(INC) Item Name Code
20241
Date
Fri, Aug 23, 1974
Schedule B Code
9029205000
Accuracy Range In Percent
-0.05 to 0.05
Calibration Speed In Rpm
1000.0
Calibration Voltage Output Type In Volts
7.0 dc
Electrical Resistance
300.0 ohms
Excitor Type
self-excited
Features Provided
horizontal mounting position and vertical mounting position
Length Of Shaft From Housing
unable to decode
Mounting Facility Type And Quantity
1 clamp collar
Mounting Method
clamp ring(s)
Overall Length
2.358 inches
Overall Width
1.061 inches
Rotor Speed Rating In Rpm
15000.0 single full load
Shaft Rotation Direction
Specific Use
ah-1 helicopter
Terminal Type And Quantity
1 connector, plug

Identification

Demilitarization Code
Q - "commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"
Precious Metals Indicator
U - Precious metal content is unknown
Hazardous Metals Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Pseudo Item Name Code
0020241

Cross Reference

CAGE Codes

05606
General Dynamics-Ots, Inc. Div Ordinance and Tactical Systems
U.s./canadian manufacturers
19200
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
Government departments or units, including military organizations

Freight Information

Air Commodity
VZ -
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
National Motor Freight Class Rating
J - 100.0
Special Handling
9 - Other or no special handling required (sh)
Type of Cargo
Z - No special type of cargo code applicable
Uniform Freight Classification Item Number
87150
Water Commodity
653 - Musical instruments
National Motor Freight Classification Item Number
177220

Schedule B & Trade

Schedule B
9029-20-5000
Description
speedometers and tachometers, not for use in civil aircraft
End Use
30230 - Other parts and accessories of vehicles
Unit of Quantity
NO
USDA
Yes
(SITC) Standard International Trade Classification
87325
(NAICS) North American Industrial Classification System
334514

Questions & Answers

  1. What is the FSCG of the NSN 6680-00-522-6397?

    The FSCG of the NSN 6680-00-522-6397 is 6680

  2. Does the NSN 6680-00-522-6397 have a Schedule B code assigned?

    Yes, the Schedule B code is 9029205000

  3. Does NSN 6680-00-522-6397 require demilitarization?

    "commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

  4. Does NSN 6680-00-522-6397 contain precious materials?

    Precious metal content is unknown

  5. Does NSN 6680-00-522-6397 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.

  6. When the NSN 6680-00-522-6397 was assigned to the Federal Catalog?

    It was assigned 52 years ago, on Fri, Aug 23, 1974

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