Product Details | TRANSMISSION FLUID COOLER

2520-01-098-3978 An apparatus designed to lower the temperature of the fluid in power transmission equipment by bringing it into proximity with another fluid of lower temperature so that heat transfer is effected by conduction through the walls of separating chambers. Excludes air conditioning equipment, refrigeration equipment, and radiators.20225200039Vehicular Power Transmission Components30400042Miscellaneous Power Transmission Equipment

Part Alternates: A183034, A18-3034, 1437397, 1W289, 208710, 208-710, 2520-01-098-3978, 01-098-3978, 2520010983978, 010983978

Vehicular Equipment Components | Vehicular Power Transmission Components

Supply Group (FSG) NSN Assign. NIIN
25 31 JUL 1980 01-098-3978

Drawings & Photos | NSN 2520-01-098-3978


Demand History | NSN 2520-01-098-3978

Part Number Request Date QTY Origin
521-6481 2025-09-261 10 DIBBS
521-6481 2024-07-193 14 DIBBS
521-6481 2023-09-271 11 DIBBS
1437397 2019-09-255 14 DIBBS
1437397 2019-08-224 7 DIBBS
1437397 2019-08-213 7 DIBBS
1437397 2019-06-170 15 DIBBS
1437397 2019-06-153 10 DIBBS
1437397 2019-04-94 24 DIBBS
2520-01-098-3978 2018-10-298 9 DIBBS
2520-01-098-3978 2017-01-03 11 DIBBS
2520-01-098-3978 2016-12-340 4 DIBBS
2520-01-098-3978 2016-07-213 7 DIBBS
2520-01-098-3978 2015-02-34 7 DIBBS
2520-01-098-3978 2011-04-91 6 DIBBS
2520-01-098-3978 2011-02-49 2 DIBBS
2520-01-098-3978 2010-12-337 3 DIBBS
2520-01-098-3978 2010-08-240 5 DIBBS
2520-01-098-3978 2010-01-06 9 DIBBS
2520-01-098-3978 2009-04-106 4 DIBBS
2520-01-098-3978 2008-05-122 5 DIBBS
2520-01-098-3978 2007-09-269 15 DIBBS
2520-01-098-3978 2007-08-221 3 DIBBS
2520-01-098-3978 2007-01-24 4 DIBBS

Cross Reference | NSN 2520-01-098-3978

Part Number Cage Code Manufacturer
1437397 11083 CATERPILLAR INC. DBA CATERPILLAR
1W289 11083 CATERPILLAR INC. DBA CATERPILLAR
208-710 07176 KARMAZIN PRODUCTS CORP
A18-3034 39433 MCQUAY-PERFEX INC

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Technical Data | NSN 2520-01-098-3978

Characteristic Specifications
MATERIAL STEEL OVERALL
MATERIAL THICKNESS 0.188 INCHES NOMINAL
STYLE DESIGNATOR A4 UPRIGHT STRAIGHT FINNED TYPE
THICKNESS 1.250 INCHES NOMINAL
LENGTH 29.620 INCHES NOMINAL
HEIGHT 9.000 INCHES NOMINAL
HEAT TRANSFER METHOD INDIRECT
TUBE ATTACHMENT METHOD BRAZED BOTH ENDS
OIL FLOW RATE 74.4 POUNDS PER MINUTE
DRAIN PLUG LOCATION SIDE
SPECIAL FEATURES 6 FINS PER IN.ONE MTGBRACKET 5.690 IN.HIGH ON EACH END WITH TWO THD HOLES 7/8-14-2B THD 0.660 IN.DEEP

Restrictions/Controls & Freight Information | NSN 2520-01-098-3978

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
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 132330 TRANSMISSIONS/CLUTCHES/PARTS,NOI
Less than car load rating
Less than truck load rating M 85.0
Water commodity Code 586 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 2520-01-098-3978

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
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
Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Echelon Identification CodeBConsumable Repair Parts
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
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
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