Product Details | VENTILATORY COVER

4140-01-390-2590 00020616800049Miscellaneous Aircraft Accessories and Components17300035Aircraft Ground Servicing Equipment20400030Marine Hardware and Hull Items25400035Vehicular Furniture and Accessories41400043Fans, Air Circulators, and Blower Equipment83400020Tents and Tarpaulins

Part Alternates: C3745, C-3745, C-3745 SK, C3745SK, 4140-01-390-2590, 01-390-2590, 4140013902590, 013902590

Refrigeration, Air Conditioning, and Air Circulating Equipment | Fans, Air Circulators, and Blower Equipment

Supply Group (FSG) NSN Assign. NIIN
41 14 MAY 1994 01-390-2590

Demand History | NSN 4140-01-390-2590

Part Number Request Date QTY Origin
C-3745 2025-02-48 9 DIBBS
C-3745 2024-07-191 9 DIBBS
C-3745 2023-08-235 9 DIBBS
C-3745 2022-05-144 10 DIBBS
C-3745 2020-11-320 25 DIBBS
C-3745 2020-09-254 16 DIBBS
4140-01-390-2590 2016-01-21 8 DIBBS
4140-01-390-2590 2010-05-132 6 DIBBS
4140-01-390-2590 2010-03-67 6 DIBBS
4140-01-390-2590 2010-02-58 1 DIBBS
4140-01-390-2590 2009-12-338 1 DIBBS

Cross Reference | NSN 4140-01-390-2590

Part Number Cage Code Manufacturer
C-3745 28199 L-3 COMMUNICATIONS CORPORATION DBA L-3 HENSCHEL
C-3745 52814 TECH-ETCH, INC.
C-3745 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
C-3745 SK 28199 L-3 COMMUNICATIONS CORPORATION DBA L-3 HENSCHEL

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Technical Data | NSN 4140-01-390-2590

Characteristic Specifications
GENERAL CHARACTERISTICS ITEM DESCRIPTION ALUMINUM ALLOY; 12.120 IN. LG; 5.120 IN. W
III END ITEM IDENTIFICATION LOS ANGELES CLASS SSN (688)
MANUFACTURERS CODE 28199
MFR SOURCE CONTROLLING REFERENCE C-3745

Restrictions/Controls & Freight Information | NSN 4140-01-390-2590

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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.
Category Code Description
NMF Description 024740 BOAT COWLS/VENTILATORS
Less than car load rating
Less than truck load rating D 200.0
Water commodity Code 810 unknown
Originating Activity Code CX Defense Supply Center Richmond
Richmond, VA 23297-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity N Ship's parts.
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 4140-01-390-2590

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