Product Details | STRAIGHT SHAFT

3040-00-876-9040 A straight shaft having two or more of the following conditions: a specified surface finish designation in the range of 1 to 125 microinches (o.o25 to 3.2 micrometers), arithmetical average (aa), machined peripheral flat(s), circular groove (s), keyway(s), splines, threads, or holes. It is not designed for use in aligning by fitting into corresponding holes of another item. It may be drilled for lubricating holes. For items having an integral gear(s) or worm(s), see GEARSHAFT (as modified). For items designed to support rotating members see AXLE(1), STRAIGHT. For items not having the above conditions see PIN, STRAIGHT, HEADLESS. For items having machined ends which constitute steps see SHAFT(1), SHOULDERED; AXLE(1), SHOULDERED; and BOLT, FLUID PASSAGE.20310050000101500003040000000

Part Alternates: B4918, 49181, 4918-1, 3040-00-876-9040, 00-876-9040, 3040008769040, 008769040

Mechanical Power Transmission Equipment | Miscellaneous Power Transmission Equipment

Supply Group (FSG) NSN Assign. NIIN
30 17 NOV 1967 00-876-9040

Drawings & Photos | NSN 3040-00-876-9040


Cross Reference | NSN 3040-00-876-9040

Part Number Cage Code Manufacturer
4918-1 03538 LOCKHEED MARTIN CORPORATION DIV MST
4918-1 54497 MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP
B4918 54497 MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP

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Technical Data | NSN 3040-00-876-9040

Characteristic Specifications
MATERIAL STEEL COMP 303
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE FINISH 29.0 MICROINCHES
FIRST END STYLE 5 CIRCULAR GROOVED
FIRST END GROOVE WIDTH 0.0390 INCHES MINIMUM AND 0.0420 INCHES MAXIMUM
FIRST END GROOVE DIAMETER 0.3430 INCHES MINIMUM AND 0.3460 INCHES MAXIMUM
FIRST END DISTANCE FROM END TO GROOVE 0.087 INCHES NOMINAL
FIRST END DIAMETER 0.4370 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE 5 CIRCULAR GROOVED
SECOND END GROOVE WIDTH 0.0390 INCHES MINIMUM AND 0.0420 INCHES MAXIMUM
SECOND END GROOVE DIAMETER 0.3430 INCHES MINIMUM AND 0.3460 INCHES MAXIMUM
SECOND END DISTANCE FROM END TO GROOVE 3.272 INCHES NOMINAL
SECOND END DIAMETER 0.4370 INCHES NOMINAL
OVERALL LENGTH 7.200 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 3040-00-876-9040

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: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 126900 POWER TRANS SHAFTING/SHAFTS
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 593 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 3040-00-876-9040

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 CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each