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NSN 5999-01-105-4993, 5999011054993
HEAT SINK,ELECTRICAL-ELECTRONIC

Federal Supply Classification
FSC 5999 - Miscellaneous Electrical and Electronic Components
National Item Identification Number
NIIN 011054993
Codification Country
United States
Item Name Code
INC 61433
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(P) There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 5999-01-105-4993

National Stock Number (NSN) 5999-01-105-4993, or NIIN 011054993, (heat sink,electrical-electronic) was assigned December 23, 1980 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 5 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is somewhat common among different platforms, belonging to 7 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 61433. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5999011054993 does not contain precious metals.

This NSN is associated to Schedule B 8543909000: electrical machines and apparatus parts, nesoi. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335999: all other miscellaneous electrical equipment and component manufacturing.

This information was last updated on .


Technical Characteristics

OVERALL DIAMETER
(ADAV) 0.360 INCHES NOMINAL
OVERALL HEIGHT
(ABKW) 0.120 INCHES NOMINAL
MATERIAL
(MATT) ALUMINUM ALLOY
MOUNTING FACILITY TYPE AND QUANTITY
(AXHR) 3 UNTHREADED HOLE SINGLE MOUNTING FACILITY
UNTHREADED MOUNTING HOLE DIAMETER
(AEBV) 0.050 INCHES NOMINAL SINGLE MOUNTING FACILITY

Manufacturer Part Numbers

40250852

RNCC
3
RNVC
2
89427

RNCC
C
RNVC
1
AP89427

RNCC
5
RNVC
2
NP89427

RNCC
5
RNVC
2
10139475

RNCC
6
RNVC
9

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