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NationalStockNumber.INFO

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Flexible Shaft Assembly

NSN: 1680-00-540-1930 | Model: B1671-21
ITAR Registered seal

An item consisting of a casing with fittings and attachments on each end and a spirally wound wire core with formed en (s) and/or crimped on end fittings. It is designed to transmit rotary motion around bends from a motor or other power source to drive various types of equipment, such as tachometers, speedometers, remote controls, instruments, and the like, which are located at an angle and/or distance from the power source. See also control assembly, push-pull.

NSN Properties and Flags
NATO Stock Number
1680-00-540-1930
DEMIL
Yes - ITAR Controlled (Code B)
Thread Class
3b or 2 both ends
Thread Direction
Right-hand both ends
Spline Major Diameter
0.303 inches both ends
Overall Length
12.8474 inches
Spline Quantity
12 both ends
Spline Minor Diameter
0.217 inches both ends
Thread Depth
0.310 inches both ends
Tip Length
0.4687 inches both ends
Shank Outside Diameter
0.4375 inches both ends
Pitch Diameter
0.250 inches both ends
Core Material
Steel
Screw Thread Series Designator
Uns both ends
Core Diameter
0.276 inches
Thread Location
Internal both ends
End Type
Round, internal splined both ends
Width Across Flats
0.750 inches both ends
End Connection Type
Threaded internal both ends
Spline Pressure Angle In Deg
14.5 both ends
Spline Length
0.275 inches both ends
Spline Type
Involute both ends
Setscrew
Not included both ends
Casing Material
Steel
Wrenching Facility Type
Hexagon both ends
Cross Section Size And Location
0.409 inches diameter both ends
Casing Surface Treatment
Cadmium plated
Casing Length Between Ferrules
11.910 inches
Casing Outside Diameter
0.375 inches
Swivel End
Not provided both ends
Enddiameter
0.875 inches both ends
Lubrication Fitting
Not provided both ends
Corelength
12.8474 inches
Core Rotation Direction
Clockwise or counterclockwise
Core Removability
Nonremovable
Minimum Operating Radius
2.500 inches
Fsc Application Data
Shaft installation, trailing edge flap, aircraft

Pricing and Availability

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NSN 1680-00-540-1930 Datasheet

Supply Class (FSC):
Miscellaneous Aircraft Accessories And Components
Cross Reference:
  • B1671-21
  • 669293-5
  • B1671-21
Cage Codes:
  • Eaton Corporation (CAGE 17472)
  • Lockheed Martin Corporation (CAGE 98897)
  • Eaton Motor Site (CAGE 72121)
Schedule B & Trade:
  • Schedule B: 8803300060 (NAICS 336413)

    Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)

  • SITC: 79295

    Parts of airplanes or helicopters, n.E.S.

  • End Use: 50070

    Parts for military-type goods

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 nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    129920 - Shafts/shafting, flex noi stl

  • WCC:

    671 - Aircraft parts, to include test/tool sets and equipment (other than armament systems)

  • 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.

  • ACC:

    B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater

  • LCL:

    M - 85.0

  • LTL:

    M - 85.0

  • 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 1680-00-540-1930 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Italy
What is the NIIN of NSN 1680-00-540-1930?
005401930 or 00-540-1930
Does NSN 1680-00-540-1930 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 1680-00-540-1930?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1961