NSN 3040-00-385-7731 Parts Readily Available on Our Catalog

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Item Name Worm Shaft
Federal Supply Group (FSG) Mechanical Power Transmission Equipment
Federal Supply Class (FSC) 3040 Miscellaneous Power Transmission Equipment
National Item Identification Number (NIIN) 00-385-7731 (003857731)
NCB Code USA (00)
Manufacturer Army United States Department Of The
Part Number Manufacturer Item Name Cage Code RFQ
7186995 army united states department of the worm shaft 19204 RFQ

Technical Characteristics of NSN 3040003857731

MRCCriteriaCharacteristic
AAHNEND SIMILARITYNOT IDENTICAL
ABHPOVERALL LENGTH10.563 INCHES NOMINAL
BYFRTEETH HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
CFFBWORM THREAD QUANTITY1
CFFCWORM THREAD LEAD0.6253 INCHES NOMINAL
CFFDWORM THREAD DIRECTIONRIGHT-HAND
CFFFWORM PRESSURE ANGLE IN DEG14.500
CFFGWORM HELIX ANGLE4 DEG 34 MIN.
CFFKWORM OUTSIDE DIAMETER2.8866 INCHES NOMINAL
CFFLWORM PITCH DIAMETER2.4886 INCHES NOMINAL
CFFMSHAFT HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
CFFNWORM THREAD SECTION LENGTH3.750 INCHES NOMINAL
CFFPWORM BODY LENGTH6.376 INCHES NOMINAL
CFFQWORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
CFFWSHAFT LOCATIONBOTH ENDS OF WORM
CFFXSTRAIGHT UNTHREADED LENGTH1.187 INCHES NOMINAL SECOND END,SECOND PORTION
CFFXSTRAIGHT UNTHREADED LENGTH1.312 INCHES NOMINAL FIRST END,FIRST PORTION
CFFXSTRAIGHT UNTHREADED LENGTH1.687 INCHES NOMINAL SECOND END,FIRST PORTION
CFFYSTRAIGHT UNTHREADED SECTION DIAMETER0.998 INCHES MINIMUM SECOND END,SECOND PORTION
CFFYSTRAIGHT UNTHREADED SECTION DIAMETER1.000 INCHES MAXIMUM SECOND END,SECOND PORTION
CFFYSTRAIGHT UNTHREADED SECTION DIAMETER1.3760 INCHES MINIMUM FIRST END,FIRST PORTION
CFFYSTRAIGHT UNTHREADED SECTION DIAMETER1.3760 INCHES MINIMUM SECOND END,FIRST PORTION
CFFYSTRAIGHT UNTHREADED SECTION DIAMETER1.3765 INCHES MAXIMUM FIRST END,FIRST PORTION
CFFYSTRAIGHT UNTHREADED SECTION DIAMETER1.3765 INCHES MAXIMUM SECOND END,FIRST PORTION
CFFZUNTHREADED SECTION KEYWAY WIDTH0.2465 INCHES MINIMUM SECOND END,SECOND PORTION
CFFZUNTHREADED SECTION KEYWAY WIDTH0.2485 INCHES MAXIMUM SECOND END,SECOND PORTION
CFGBUNTHREADED SECTION KEYWAY DEPTH0.136 INCHES MINIMUM SECOND END,SECOND PORTION
CFGBUNTHREADED SECTION KEYWAY DEPTH0.139 INCHES MAXIMUM SECOND END,SECOND PORTION
FEATSPECIAL FEATURESBOTH ENDS CHAMFERED 0.0625 BY 45 DEG AND THREAD SURFACE FINISH 32AA
MATTMATERIALSTEEL
SFTTSURFACE TREATMENTOXIDE
ZZZVFSC APPLICATION DATALAUNCHER,762-MM ROCKET,TRUCK MOUNTED,XM289

Relevant Components for NSN - 3040-00-385-7731, 3040003857731
3040-01-548-6560 (3040015486560) 3020-01-105-9139 (3020011059139) 3020-01-162-5204 (3020011625204) 3020-00-628-0235 (3020006280235)
3020-00-593-4827 (3020005934827) 3040-01-654-4964 (3040016544964) 3040-01-436-6908 (3040014366908) 3020-00-074-9009 (3020000749009)
3020-01-006-8481 (3020010068481) 3040-01-207-3097 (3040012073097) 3040-01-062-2672 (3040010622672) 3020-00-860-6946 (3020008606946)

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