H8321651A-20 — GEAR,HELICAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

H8321651A-20: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL BODY, teeth_type: SINGLE HELIX, pressure_angle: 14.5000 DEGREES, teeth_quantity: 25, tooth_direction: LEFT, special_features: NORMAL DIAMETRAL PITCH IS 14. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-474-9788, 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

H8321651A-20

NSN: 3020-01-474-9788
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)

SPECIFICATIONS

material	STEEL BODY
teeth_type	SINGLE HELIX
pressure_angle	14.5000 DEGREES
teeth_quantity	25
tooth_direction	LEFT
special_features	NORMAL DIAMETRAL PITCH IS 14
end_item_identification	NSSN CLASS SUBMARINE
part_name_assigned_by_controlling_agency	WEAPONS HANDLING ATHWARTSHIP DRIVE GEARBOX SUB ASSEMBLY & DETAILS
NSN	3020-01-474-9788

COMPONENT DIAGRAM

KEY FEATURES

•

TEETH QUANTITY: 25

•

TOOTH DIRECTION: LEFT

•

TEETH TYPE: SINGLE HELIX

•

PRESSURE ANGLE: 14.5000 DEGREES

•

MATERIAL: STEEL BODY

TECHNICAL CHARACTERISTICS

TEETH QUANTITY	25
TOOTH DIRECTION	LEFT
TEETH TYPE	SINGLE HELIX
SPECIAL FEATURES	NORMAL DIAMETRAL PITCH IS 14
PART NAME ASSIGNED BY CONTROLLING AGENCY	WEAPONS HANDLING ATHWARTSHIP DRIVE GEARBOX SUB ASSEMBLY & DETAILS
END ITEM IDENTIFICATION	NSSN CLASS SUBMARINE
PRESSURE ANGLE	14.5000 DEGREES
MATERIAL	STEEL BODY

SUBSTITUTES & CROSS-REFERENCES 2

H8321651-20Reference document

Same NSN cross-reference

Reference document — Secondary reference

H832-1651Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is H8321651A-20?

H8321651A-20 is a GEAR,HELICAL.

What parts can replace H8321651A-20?

There are 2 known substitutes for H8321651A-20: H8321651-20, H832-1651. Substitute compatibility should be verified for your specific system.

What is the NSN for H8321651A-20?

H8321651A-20 is cataloged in the U.S. Government catalog under NSN 3020-01-474-9788. This indicates validated use in U.S. government and defense supply chains.

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H8321651A-20 — GEAR,HELICAL

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