Product Details | ELECTRICAL-ELECTRONIC COMPONENT HEAT SINK

5999-01-321-9172 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.

Part Alternates: GB21A5, 5999-01-321-9172, 01-321-9172, 5999013219172, 013219172

Electrical and Electronic Equipment Components | Miscellaneous Electrical and Electronic Components

Supply Group (FSG) NSN Assign. NIIN
59 26 JUN 1990 01-321-9172

Cross Reference | NSN 5999-01-321-9172

Part Number Cage Code Manufacturer
GB21A5 26512 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
GB21A5 98093 NASSAU CORP

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Technical Data | NSN 5999-01-321-9172

Characteristic Specifications
OVERALL HEIGHT 0.218 INCHES MINIMUM AND 0.234 INCHES MAXIMUM
OVERALL DIAMETER 1.000 INCHES NOMINAL
MATERIAL ALUMINUM ALLOY 6061
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-200 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT TIN
MOUNTING FACILITY TYPE AND QUANTITY 5 UNTHREADED HOLE FIRST MOUNTING FACILITY 5 UNTHREADED HOLE SECOND MOUNTING FACILITY 1 UNTHREADED HOLE THIRD MOUNTING FACILITY
UNTHREADED MOUNTING HOLE DIAMETER 0.146 INCHES MINIMUM AND 0.152 INCHES MAXIMUM FIRST MOUNTING FACILITY 0.165 INCHES MINIMUM AND 0.171 INCHES MAXIMUM SECOND MOUNTING FACILITY 0.200 INCHES MINIMUM AND 0.206 INCHES MAXIMUM THIRD MOUNTING FACILITY

Restrictions/Controls & Freight Information | NSN 5999-01-321-9172

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere is no information in the HMIS; 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
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 063085 SINKS HEAT
Less than car load rating
Less than truck load rating M 85.0
Water commodity Code 657 unknown
Originating Activity Code TX Defense Supply Center Columbus
Columbus, OH 43218
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5999-01-321-9172

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each