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Shaft Collar

NSN: 3040-00-078-4558 | Model: 8200-12
ITAR Registered seal

An item designed to be mounted around a shaft to limit axial movement of the shaft and/or its assembled parts. It is secured directly to the shaft by use of a setscrew (s), pin(s), or the like, which may be a part of the item of supply. A pilot hole drilled in or through the wall(s) for drilling and pinning at application may be considered a method of securing. Solid items have a bearing surface on one or both end(s) perpendicular to the axis. For items designed to be mounted around the extended hub portion of a mounted item on a shaft or clamp around a shaft, see clamp, hub. See also bearing, sleeve; bushing, sleeve; spacer, sleeve; and coupling, shaft, rigid.

NSN Properties and Flags
NATO Stock Number
Yes - ITAR Controlled
Outside Diameter
0.625 inches
Between 0.280 inches and 0.285 inches
Bore Diameter
0.2810 inches
Securing Hole Quantity
Angle Between Centerlines Of Securing Holes In Deg
Screw Thread Series Designator And Location
Single hole unf
Securing Hole Type And Location
Threaded single hole
Thread Size And Location
0.190 inches single hole
Brass or steel
Copper alloy or steel
Surface Treatment
Style Designator
Plain round
Surface Treatment

Pricing and Availability

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NSN 3040-00-078-4558 Datasheet

Supply Class (FSC):
Miscellaneous Power Transmission Equipment
Cross Reference:
  • 8200-12
  • 9978826
Cage Codes:
  • Electro Switch Corp. (CAGE 82121)
  • U S Army Aviation and Missile (CAGE 18876)

N - Indicates there is no data in the humors 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:

    126880 - Power trans shafting pulleys

  • 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.

  • ACC:

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

  • LCL:

    W - Rating variable

  • LTL:

    W - Rating variable

  • 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 3040-00-078-4558 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Spain, Republic Of Korea, and Turkey
What is the NIIN of NSN 3040-00-078-4558?
000784558 or 00-078-4558
Does NSN 3040-00-078-4558 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 3040-00-078-4558?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963