NSN 3040-01-278-5516

Part Details | SHAFT COLLAR

3040-01-278-5516 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.

Alternate Parts: 1507104 ITEM 4, 1507-104 ITEM 4, 1507104, 1507-104, 7045940676 ITEM 4, 704-5940676 ITEM 4, 7045940676, 704-5940676, 3040-01-278-5516, 01-278-5516, 3040012785516, 012785516

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30MAY 06, 198801-278-551613743 ( COLLAR, SHAFT )
REFERENCE DRAWINGS & PICTURES

ROUND W/SINGLE CHAMFER

Cross Reference | NSN 3040-01-278-5516
Part Number Cage Code Manufacturer
1507-104 ITEM 443689HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS
1507-10443689HUNTINGTON INGALLS INCORPORATEDDIV NEWPORT NEWS
704-5940676 ITEM 453711NAVAL SEA SYSTEMS COMMAND
704-594067653711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 3040-01-278-5516
Characteristic Specifications
MATERIAL COPPER ALLOY
STYLE DESIGNATOR ROUND W/SINGLE CHAMFER
CHAMFER ANGLE IN DEG45.0
OUTSIDE DIAMETER4.000 INCHES NOMINAL
THICKNESS3.880 INCHES NOMINAL
BORE DIAMETER1.7520 INCHES NOMINAL
LARGEST DIAMETER LENGTH3.630 INCHES NOMINAL
SECURING HOLE QUANTITY2
ANGLE BETWEEN CENTERLINES OF SECURING HOLES IN DEG90.0
SECURING HOLE TYPE AND LOCATIONHA THREADED-COUNTERSUNK
COUNTERSINK MAJOR DIAMETER AND LOCATIONAHL0.4100 INCHES NOMINAL
SCREW THREAD SERIES DESIGNATOR AND LOCATIONAHLNC ALL HOLES
NOMINAL THREAD SIZE AND LOCATIONAAHL0.375 INCHES
COUNTERSUNK HOLE ANGLE IN DEG AND LOCATION90.0 ALL HOLES
SPECIAL FEATURESCOUNTER BORE 3.125-8UN-2B;COUNTERSINK 90 DEG TO 3.160 IN. DIA;2 FLATS 3.500 IN. APART