5930-00-971-5973 SWITCH,PUSH Index 3110-00-971-5979 RING,BEARING,INNER

National Stock Number:
3040-00-971-5975

Federal Supply Class:
3040

National Item Identification Number:
009715975

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:
3040-00-971-5975A00AME.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
861582719200US ARMY ARDEC RDECOM


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FSC APPLICATION DATATELESCOPE
OVERALL LENGTH4.510 INCHES MINIMUM AND 4.520 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 440F OR CLASS 416, COND A FED SPEC ALL MATERIAL RESPONSES
MATERIALSTEEL COMP 440F OR STEEL COMP 416
SHAFT HARDNESS RATINGOVERALL ROCKWELL C,50 MIN,55 MAX OF FED,QQ-S-763,CLASS 440F,COND A,OR ROCKWELL C,30 MIN,35 MAX,QQ-S-763,CLASS416 COND A
SHAFT LOCATIONBOTH ENDS OF WORM
SPECIAL FEATURESFOURTH PORTION OF FIRST END AND FIFTH PORTION OF SECOND END NOT HARDENED
WORM BODY LENGTH2.130 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE3 DEG 59 MIN 12 SEC
WORM OUTSIDE DIAMETER1.020 INCHES MINIMUM AND 1.022 INCHES MAXIMUM
WORM PITCH DIAMETER0.196 INCHES NOMINAL
WORM THREAD DIRECTIONRIGHT-HAND
WORM PRESSURE ANGLE IN DEG20.000
WORM THREAD LEAD0.196 INCHES NOMINAL
WORM THREAD QUANTITY1
WORM THREAD SECTION LENGTH1.870 INCHES MINIMUM AND 1.880 INCHES MAXIMUM
STRAIGHT UNTHREADED LENGTH0.094 INCHES MINIMUM FIRST END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.094 INCHES MINIMUM SECOND END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH0.096 INCHES MAXIMUM FIRST END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.096 INCHES MAXIMUM SECOND END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH0.125 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.125 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH0.125 INCHES NOMINAL SECOND END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.484 INCHES NOMINAL FIRST END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH0.463 INCHES NOMINAL SECOND END, FOURTH PORTION
STRAIGHT UNTHREADED LENGTH0.570 INCHES MAXIMUM FIRST END, FOURTH PORTION
STRAIGHT UNTHREADED LENGTH0.570 INCHES MINIMUM SECOND END, FIFTH PORTION
STRAIGHT UNTHREADED LENGTH0.580 INCHES MAXIMUM SECOND END, FIFTH PORTION
STRAIGHT UNTHREADED LENGTH0.560 INCHES MINIMUM FIRST END, FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.323 INCHES MINIMUM SECOND END, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.325 INCHES MAXIMUM SECOND END, THIRD PORTION
SURFACE TREATMENTPASSIVATE
TEETH HARDNESS RATINGROCKWELL C,50 MIN,55 MAX,FED,QQ-S-763,CLASS 440F COND A,OR ROCKWELL C,30 MIN,35 MAX,QQ-S-MLO,CLASS 416,COND A
UNTHREADED SECTION PIN HOLE DIAMETER0.0940 INCHES NOMINAL FIRST END, FOURTH PORTION
UNTHREADED SECTION PIN HOLE DIAMETER0.0940 INCHES NOMINAL SECOND END, FIFTH PORTION


Click here to Register for Free 30-day Trial

© 2025 NSN-Now. All rights reserved.    Privacy Policy  |  Contact Us