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Electrical-electronic Component Heat Sink

NSN: 5999-00-116-2776 | Model: SMB617289
ITAR Registered seal

An item which is specifically designed to absorb, conduct or dissipate heat generated by an electrical and/or electronic component or an external source in order to prevent damage to the component. Do not use if a more specific name applies.

NSN Properties and Flags
NATO Stock Number
Yes - ITAR Controlled
Overall Length
0.460 inches
Overall Width
0.300 inches
Unthreaded Mounting Hole Diameter
0.115 inches single mounting facility and 0.118 inches single mounting facility
Mounting Facility Type And Quantity
1 unthreaded hole single mounting facility
Aluminum alloy 5052
Material Specification
QQ-A-250; H32 federal specification single material response

Pricing and Availability

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NSN 5999-00-116-2776 Datasheet

Supply Class (FSC):
Miscellaneous Electrical And Electronic Components
Cross Reference:
  • SMB617289
  • SM-B-617289
  • SMB617289
  • A9993
  • SM-B-617289
  • SM-B-617289
  • SMB617289
  • SM-B-617289
Cage Codes:
  • Us Army Communications & (CAGE 80063)
  • Spencer Industries Inc (CAGE 00585)
  • General Dynamics Mission Systems, (CAGE 04655)
  • Autodyne Manufacturing Co., Inc. (CAGE 05584)
  • Spencer Industries Inc (CAGE 21530)
  • Freehold Manufacturing Assembly Co (CAGE 2S308)
  • Morris & Broms, L.l.c. (CAGE 60271)
  • Adaptive Technologies Inc (CAGE 66524)
Schedule B & Trade:
  • Schedule B: 8543909000 (NAICS 335999)

    Electrical machines and apparatus parts, Nisei

  • SITC: 77879

    Parts of electrical machines and apparatus, having individual functions, n.E.S.

  • End Use: 20005

    Electric apparatus


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.


U - Precious metal content is unknown


B - Represents items with esd sensitivity.


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

Freight Information:
  • NMFC:

    063085 - Sinks heat

  • TCC:

    3 - Electrostatic sensitive device (esd)

  • WCC:

    657 - Instruments, electric meter

  • 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:

    H - Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps)

  • LTL:

    M - 85.0

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • 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 $2.96 to $4.93..
Does NSN 5999-00-116-2776 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, Department Of The Air Force, U.s. Coast Guard, Austria, Spain, Canada, New Zealand, and Republic Of Korea
What is the NIIN of NSN 5999-00-116-2776?
001162776 or 00-116-2776
Does NSN 5999-00-116-2776 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5999-00-116-2776?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Sep 25, 1968