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845-6603122 — GEARSHAFT,HELICAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

845-6603122: GEARSHAFT,HELICAL.

The GEARSHAFT,HELICAL is a the manufacturer industrial component. Key specifications include face_width: 1.980 INCHES MINIMUM AND 2.020 INCHES MAXIMUM IN, shaft_type: SHOULDERED, teeth_type: SINGLE HELIX, helix_angle: 6.1702 DEGREES, shaft_length: 14.190 INCHES NOMINAL IN, gear_material: STEEL COMP 4140 OR STEEL COMP 4142. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-382-1276, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
845-6603122
NSN: 3040-01-382-1276
NIINs: 013821276, 014138917
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
face_width1.980 INCHES MINIMUM AND 2.020 INCHES MAXIMUM IN
shaft_typeSHOULDERED
teeth_typeSINGLE HELIX
helix_angle6.1702 DEGREES
shaft_length14.190 INCHES NOMINAL IN
gear_materialSTEEL COMP 4140 OR STEEL COMP 4142
overall_length14.150 INCHES MINIMUM AND 14.230 INCHES MAXIMUM IN
pressure_angle20.0000 DEGREES
shaft_end_size0.781 INCHES IN
shaft_end_typeKEYWAY FLAT, THREADED EXTERNAL
shaft_materialSTEEL COMP 4140 OR STEEL COMP 4142
teeth_quantity16
NSN3040-01-382-1276
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEARSHAFT,HELICAL TITLE COMPONENT PN 845-6603122 MFR GEARSHAFT,HELICAL
KEY FEATURES
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CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
SUBSTITUTES & CROSS-REFERENCES 2
845-6800704-165Reference document
Same NSN cross-reference
Reference document — Secondary reference
845-6603141-165Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required (F)
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FREQUENTLY ASKED QUESTIONS
What is 845-6603122?
845-6603122 is a GEARSHAFT,HELICAL.
What parts can replace 845-6603122?
There are 2 known substitutes for 845-6603122: 845-6800704-165, 845-6603141-165. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-6603122?
845-6603122 is cataloged in the U.S. Government catalog under NSN 3040-01-382-1276. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.