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Linear-rotary Motion Roller

NSN: 3120-00-117-9871 | Model: 555760

A cylindrical body having a centrally located hole to accommodate a pin or shaft for attachment to a push rod guide, yoke, rocker arm, turntable, or rail. The item provides a rolling contact with the face of a valve stem, or the lobes of a cam ring or camshaft on engines, fuel injection pumps, latches, turntables, parallel bearing surfaces requiring a roller support, and the like. Excludes bearing, roller, cylindrical; roller, electrical switch; and friction bearings. See also cam follower, needle bearing.

NSN Properties and Flags
NATO Stock Number
Casehardening Indicator
Not casehardened
Counterbore Diameter
Between 0.620 inches and 0.640 inches
Counterbore Depth
Between 0.065 inches and 0.075 inches
Outside Diameter
Between 0.880 inches and 0.884 inches
Metallic Hardness Rating
46.0 rockwell c and 52.0 rockwell c
Face Width
Between 0.498 inches and 0.502 inches
Bore Inside Diameter
Between 0.499 inches and 0.501 inches
Chamfer/radius Of Outside Corner
0.040 in. Min, 0.060 in, max by 45 degrees one face only
Cobalt alloy ams 5759
Cobalt alloy ams 5759
Style Designator
Plain, counterbored
Fsc Application Data
Engine, j2v, acft

Pricing and Availability

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NSN 3120-00-117-9871 Datasheet

Supply Class (FSC):
Unmounted Plain Bearings
Cross Reference:
  • 555760
  • 555760
  • 555760
  • 555760
  • 555760
Cage Codes:
  • Bae Systems Information and (CAGE 12436)
  • Royal Oak Gage Inc (CAGE 00088)
  • Precision Speed Manufacturing, Llc (CAGE 56055)
  • Sps Technologies, Llc (CAGE 56878)
  • United Technologies Corporation (CAGE 77445)
Schedule B & Trade:
  • Schedule B: 8482997090 (NAICS 332991)

    Parts, nesoi, for roller bearings or for combined ball/roller bearings, nesoi

  • SITC: 74699

    Parts of ball and roller bearings, n.E.S.

  • End Use: 21180

    Industrial machines, other


N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.


U - Precious metal content is unknown


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

Freight Information:
  • NMFC:

    114690 - Balls/rolls bearing

  • WCC:

    742 - Bearings

  • 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:

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

  • 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 $76.63 to $127.71..
Does NSN 3120-00-117-9871 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, France, and Greece
What is the NIIN of NSN 3120-00-117-9871?
001179871 or 00-117-9871
Does NSN 3120-00-117-9871 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 3120-00-117-9871?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Oct 14, 1968