Product Details | THERMAL RELEASE HEATER

5999-00-503-1991 A resistive element which dissipates sufficient heat to melt the fusible material or distort the bimetallic element of an overload protective device when the temperature, as a result of an overload in an electrical circuit, reaches a predetermined value. Excludes COIL (as modified); HEATING ELEMENT, ELECTRICAL; RESISTANCE ELEMENT; RESISTOR, THERMAL; THERMAL RELEASE, CIRCUIT BREAKER; and items with integral bimetallic element, contacts, or fusible material.

Part Alternates: 81D925, 5999-00-503-1991, 00-503-1991, 5999005031991, 005031991

Electrical and Electronic Equipment Components | Miscellaneous Electrical and Electronic Components

Supply Group (FSG) NSN Assign. NIIN
59 03 NOV 1969 00-503-1991

Demand History | NSN 5999-00-503-1991

Part Number Request Date QTY Origin
81D925 2024-01-31 30 DIBBS
81D925 2024-01-10 12 DIBBS
81D925 2023-10-284 6 DIBBS
81D925 2023-05-124 6 DIBBS
81D925 2023-03-87 2 DIBBS
81D925 2023-02-38 2 DIBBS
5999-00-503-1991 2010-07-209 11 DIBBS
5999-00-503-1991 2010-05-132 7 DIBBS
5999-00-503-1991 2009-01-09 17 DIBBS

Cross Reference | NSN 5999-00-503-1991

Part Number Cage Code Manufacturer
81D925 02989 GENERAL ELECTRIC CO GE DRIVE SYSTEMS
81D925 03497 GENERAL ELECTRIC CO OUTDOOR BREAKER BUSINESS SECTION
81D925 24446 GENERAL ELECTRIC CO
81D925 63743 WARD LEONARD ELECTRIC COMPANY INC.

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Restrictions/Controls & Freight Information | NSN 5999-00-503-1991

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:UPrecious metal type is unknown
Category Code Description
NMF Description 061480 CONTROLLERS/PARTS NOI O/T PLASTIC
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 72D unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 5999-00-503-1991

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each