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Differential Gear Unit

NSN: 2520-00-769-5020 | Model: 9174790
ITAR Registered seal

An arrangement of gears in an epicyclic train that connects two shafts in the same line. The driving force is equally divided between the shafts which rotate in different directions with one shaft permitted to revolve faster than the other.

NSN Properties and Flags
NATO Stock Number
2520-00-769-5020
DEMIL
Yes - ITAR Controlled (Code B)
Special Features
Retaining ring, beryllium copper; spring, carbon steel; input gears: aluminum; other parts, corrosion resistant steel; gear tolerance agma specification 236; number of teeth input no.1 88; input no.2 88 teeth; putput teeth 123; pitch diameter 64; pressure angle 20 degree involute; function; input 1 rotates 352 degrees by 12/11 clockwise; output shaft rotates 352 degrees by 12/11 by 1/12 clockwise; input 2 equals 0; ; input 2 rotates 60 degrees by 12/11 clockwise; output shaft rotates 60 degrees clockwise, input 1 equals 0; backlash measured at output shaft nte 6 minutes

Pricing and Availability

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NSN 2520-00-769-5020 Datasheet

Supply Class (FSC):
Vehicular Power Transmission Components
Cross Reference:
  • 9174790
  • 301MA023P001
  • 10307
  • 301MA023P001
  • 301MA023P001
Cage Codes:
  • U S Army Aviation and Missile (CAGE 18876)
  • Raytheon Company (CAGE 3B150)
  • Waltham Clock Co Inc (CAGE 09532)
  • Raytheon Company (CAGE 49956)
  • Raytheon Company (CAGE 54X10)
Schedule B & Trade:
  • Schedule B: 8483909500 (NAICS 333613)

    Parts, nesoi, of bearing housings & plain shaft bearings, housed bearings, clutches, universal joints, flywheels and transmission shafts

  • SITC: 74890

    Parts, n.E.S., for transmission shafts and cranks, bearing housings, gears, gearing, ball screws, gear boxes, flywheels and pulleys, clutches, etc.

  • End Use: 21180

    Industrial machines, other

Identification:
HMIC

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.

PMIC

A - Item does not contain precious metal.

ADPE

- Represents items with no adp components

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:

    061700 - Elec appliances/instruments noi

  • WCC:

    581 - Automobile parts, new

  • SHC:

    9 - Other or no special handling required (sh)

  • 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:

    J - 100.0

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    Y
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    J2200x-
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $3,277.26 to $5,462.10..
Does NSN 2520-00-769-5020 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 Army, Spain, Singapore, France, Republic Of Korea, and Greece
What is the NIIN of NSN 2520-00-769-5020?
007695020 or 00-769-5020
Does NSN 2520-00-769-5020 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 2520-00-769-5020?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1962