3040-01-486-3894, COLLAR,SHAFT

National Stock Number:
3040-01-486-3894

Federal Supply Class:
3040

National Item Identification Number:
014863894

Description:
COLLAR,SHAFT

Detail:
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.

Manufacturer Information:

2018-4	43689	HUNTINGTON INGALLS INC
2018-4 ITEM 21	43689	HUNTINGTON INGALLS INC
518-5794755 ITEM 21	43689	HUNTINGTON INGALLS INC
5794755	43689	HUNTINGTON INGALLS INC

Techincal Specification:

MATERIAL	NICKEL ALLOY
SURFACE TREATMENT	PAINT
STYLE DESIGNATOR	PLAIN ROUND
OUTSIDE DIAMETER	2.000 INCHES NOMINAL
THICKNESS	1.495 INCHES MINIMUM AND
	1.496 INCHES MAXIMUM
BORE DIAMETER	0.6260 INCHES MINIMUM AND
	0.6290 INCHES MAXIMUM
SURFACE FINISH AND LOCATION	63 MICROINCHES OUTSIDE PERIPHERY
SECURING HOLE QUANTITY	3
ANGLE BETWEEN CENTERLINES OF SECURING HOLES IN DEG	90.0
	180.0
SECURING HOLE TYPE AND LOCATION	THREADED-COUNTERSUNK 1ST HOLE
	UNTHREADED 2ND HOLE
	UNTHREADED 3RD HOLE
HOLE DIAMETER AND LOCATION	0.2500 INCHES NOMINAL 2ND HOLE
	0.2500 INCHES NOMINAL 3RD HOLE
COUNTERSINK MAJOR DIAMETER AND LOCATION	0.2812 INCHES NOMINAL 1ST HOLE
SCREW THREAD SERIES DESIGNATOR AND LOCATION	1ST HOLE UNC
NOMINAL THREAD SIZE AND LOCATION	0.250 INCHES 1ST HOLE
COUNTERSUNK HOLE ANGLE IN DEG AND LOCATION	90.0 1ST HOLE
SPECIAL FEATURES	ALL 3 SECURING HOLES ARE 0.750 IN. NOM. FROM ONE END. TWO PARALLEL SIDES FLATTENED TO 1.750 IN. UNTHREADED SECURING HOLES GO THROUGH CENTER OF FLATS. PART OF RETRACTABLE BOW PLANES EMERGENCY FOLLOW-UP AND XMTR DRIVE ASSEMBLY
PART NAME ASSIGNED BY CONTROLLING AGENCY	HUB

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