Product Details | SHAFT COLLAR

3040-01-085-7821 An item designed to be mounted around a shaft to limit axial movement of the shaft and/or its assembled parts. It is secured directly to the shaft by use of a setscrew(s), pin(s), or the like, which may be a part of the item of supply. A pilot hole drilled in or through the wall(s) for drilling and pinning at application may be considered a method of securing. Solid items have a bearing surface on one or both end(s) perpendicular to the axis. For items designed to be mounted around the extended hub portion of a mounted item on a shaft or clamp around a shaft, see CLAMP, HUB. See also BEARING, SLEEVE; BUSHING, SLEEVE; SPACER, SLEEVE; and COUPLING, SHAFT, RIGID.202304000005340000000

Part Alternates: L4-18, L418, 3040-01-085-7821, 01-085-7821, 3040010857821, 010857821

Mechanical Power Transmission Equipment | Miscellaneous Power Transmission Equipment

Supply Group (FSG) NSN Assign. NIIN
30 15 NOV 1979 01-085-7821

Drawings & Photos | NSN 3040-01-085-7821


Cross Reference | NSN 3040-01-085-7821

Part Number Cage Code Manufacturer
L4-18 00141 ROLLER BEARING COMPANY OF AMERICA, INC.

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Technical Data | NSN 3040-01-085-7821

Characteristic Specifications
MATERIAL STEEL, QQ-S-764, TYPE 303-CANCELED
SURFACE TREATMENT PASSIVATED, QQ-P-35, TYPE 2
STYLE DESIGNATOR A1 PLAIN ROUND
OUTSIDE DIAMETER 0.875 INCHES NOMINAL
THICKNESS 0.312 INCHES NOMINAL
BORE DIAMETER 0.5000 INCHES NOMINAL
SECURING HOLE QUANTITY 4
ANGLE BETWEEN CENTERLINES OF SECURING HOLES IN DEG 90.0
SECURING HOLE TYPE AND LOCATION THREADED ALL HOLES
SCREW THREAD SERIES DESIGNATOR AND LOCATION ALL HOLES UNF
NOMINAL THREAD SIZE AND LOCATION 0.190 INCHES ALL HOLES
SPECIAL FEATURES SUPPLIED W/4 SET SCREWS

Restrictions/Controls & Freight Information | NSN 3040-01-085-7821

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 126880 POWER TRANS SHAFTING PULLEYS
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 3040-01-085-7821

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9CDefense Supply Center Columbus
Columbus, OH 43215
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each