156403PC65 — GEAR,HELICAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

156403PC65: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, body_style: WEBBED, WITH LIGHTENING HOLES, bore_style: W/ KEYWAY BOTH ENDS, teeth_type: SINGLE HELIX, tooth_form: STANDARD, helix_angle: 31.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-276-7329, 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

156403PC65

NSN: 3020-00-276-7329
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 0AT62 — SIEMENS ENERGY, INC. DBA DRESSER-RAND (USA)

SPECIFICATIONS

material	COPPER ALLOY OVERALL
body_style	WEBBED, WITH LIGHTENING HOLES
bore_style	W/ KEYWAY BOTH ENDS
teeth_type	SINGLE HELIX
tooth_form	STANDARD
helix_angle	31.0000 DEGREES
pitch_diameter	7.0000 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	84
hardness_rating	27.0 ROCKWELL B MINIMUM AND 43.0 ROCKWELL B MAXIMUM OVERALL
tooth_direction	LEFT
style_designator	ONE PROTRUDING HUB, ONE FLUSH HUB
NSN	3020-00-276-7329

COMPONENT DIAGRAM

KEY FEATURES

•

KEYWAY NOMINAL WIDTH: 0.250 INCHES BOTH ENDS IN

•

BORE NOMINAL DIAMETER: 2.626 INCHES BOTH ENDS IN

•

HELIX ANGLE: 31.0000 DEGREES

•

HUB NOMINAL DIAMETER: 3.500 INCHES BOTH ENDS IN

•

TEETH QUANTITY: 84

•

BODY STYLE: WEBBED, WITH LIGHTENING HOLES

•

TOOTH DIRECTION: LEFT

•

BORE STYLE: W/ KEYWAY BOTH ENDS

TECHNICAL CHARACTERISTICS

KEYWAY NOMINAL WIDTH	0.250 INCHES BOTH ENDS IN
BORE NOMINAL DIAMETER	2.626 INCHES BOTH ENDS IN
HELIX ANGLE	31.0000 DEGREES
HUB NOMINAL DIAMETER	3.500 INCHES BOTH ENDS IN
TEETH QUANTITY	84
BODY STYLE	WEBBED, WITH LIGHTENING HOLES
TOOTH DIRECTION	LEFT
BORE STYLE	W/ KEYWAY BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.188 INCHES FIRST END IN
TEETH TYPE	SINGLE HELIX

OTHER ITEMS IN FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3020-00-000-0091 3020-00-001-0027 3020-00-001-0028 3020-00-001-0063 3020-00-001-0064 3020-00-001-0066 3020-00-001-0071 3020-00-001-0072

SUBSTITUTES & CROSS-REFERENCES 1

3044BReference document

Same NSN cross-reference

Reference document — Secondary reference

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 156403PC65?

156403PC65 is a GEAR,HELICAL.

What parts can replace 156403PC65?

There is 1 known substitute for 156403PC65: 3044B. Substitute compatibility should be verified for your specific system.

What is the NSN for 156403PC65?

156403PC65 is cataloged in the U.S. Government catalog under NSN 3020-00-276-7329. This indicates validated use in U.S. government and defense supply chains.

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156403PC65 — GEAR,HELICAL

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