3040-00-831-0212, WORM SHAFT

National Stock Number:
3040-00-831-0212

Federal Supply Class:
3040

National Item Identification Number:
008310212

Description:
WORM SHAFT

Detail:
A DRIVE SHAFT HAVING HELICAL THREAD(S) ON A PORTION OF ITS OUTER SURFACE, MACHINED BEARING SURFACE(S) AND FACILITIES FOR DRIVING (OTHER THAN A HUB) ON ONE OR BOTH ENDS OF SHAFT. DESIGNED TO MATE WITH A CAM, GEAR SECTOR, WORM WHEEL, ETC. INCLUDES ITEMS WITH BEARINGS. EXCLUDES ITEMS HAVING MORE THAN ONE WORM COMPLEMENT OF HELICAL THREADS, ITEMS WITH A SEPARATE COMPLEMENT OF GEAR TEETH, AND GEAR, WORM.

Manufacturer Information:

9145685

18876

U S ARMY AVIATION AND MISSILE COMMAND

Techincal Specification:

END SIMILARITY	NOT IDENTICAL
OVERALL LENGTH	2.380 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763, CLASS 302, 303 SE, 304 OR 316 COND B FED SPEC ALL MATERIAL RESPONSES
MATERIAL	STEEL COMP 302 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 316
SHAFT LOCATION	BOTH ENDS OF WORM
STRAIGHT UNTHREADED LENGTH	0.219 INCHES NOMINAL SECOND END FIRST PORTION
STRAIGHT UNTHREADED LENGTH	0.286 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED LENGTH	0.320 INCHES NOMINAL SECOND END SECOND PORTION
STRAIGHT UNTHREADED LENGTH	0.476 INCHES NOMINAL SECOND END FOURTH PORTION
STRAIGHT UNTHREADED LENGTH	0.699 INCHES NOMINAL SECOND END THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.270 INCHES NOMINAL SECOND END THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.280 INCHES NOMINAL FIRST END FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.280 INCHES NOMINAL SECOND END FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.280 INCHES NOMINAL SECOND END SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.345 INCHES NOMINAL SECOND END FIRST PORTION
SURFACE TREATMENT	PASSIVATE
WORM BODY LENGTH	0.380 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END	NOT PROVIDED
WORM HELIX ANGLE	85 DEG 55 MIN
WORM OUTSIDE DIAMETER	0.498 INCHES NOMINAL
WORM PITCH DIAMETER	0.439 INCHES NOMINAL
WORM THREAD DIRECTION	RIGHT-HAND
WORM PRESSURE ANGLE IN DEG	14.500
WORM THREAD QUANTITY	1
WORM THREAD LEAD	0.984 INCHES NOMINAL
WORM THREAD SECTION LENGTH	0.380 INCHES NOMINAL

Click here to Register for Free 30-day Trial