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Helical Antibacklash Gear

NSN: 3020-01-657-0251 | Model: 510251-163

An item having one fixed gear and one free gear, both having the same complement of helical gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.

NSN Properties and Flags
NATO Stock Number
3020-01-657-0251
DEMIL
NO
End Application
3930-01-522-7364
Part Name Assigned By Controlling Agency
Sun gear
Special Features
Cage 3s597 does not sell to the government

Parts List for Rough Terrain Container Handler  

Other components in the assembly of NSN 3930-01-522-7364
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE7L518T3964 2018-09-10 PLCLD 7 EA
SPE7L518T3072 2018-07-09 PLCLD 1 EA
SPE7L518T2820 2018-06-18 PLCLD 3 EA
SPE7L518T2722 2018-06-11 PLCLD 2 EA
SPE7L518T1892 2018-04-20 PLCLD 2 EA

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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NSN 3020-01-657-0251 Datasheet

Supply Class (FSC):
Transmission Chain Sprockets Pulleys Gears
Cross Reference:
  • 510251-163
  • 510251-163
Cage Codes:
  • Kessler Intl Corp (CAGE 3S597)
  • Ktsdi Llc (CAGE 7AYE6)
Freight Information:
  • NMFC:

    121870 - Gear/speed increasing/reducing mach

  • WCC:

    593 - Motors and parts, (machinery and parts),(less than 35 feet)

  • 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.

  • LTL:

    P - 77.5

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    Z
  • 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 $2,471.07 to $4,118.45..
Does NSN 3020-01-657-0251 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
What is the NIIN of NSN 3020-01-657-0251?
016570251 or 01-657-0251
Does NSN 3020-01-657-0251 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 3020-01-657-0251?
Solicitation SPE7L518T3964 for qty 7 on 08/31/2018