A171-018-2B664A — GEAR SECTOR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

A171-018-2B664A: GEAR SECTOR,SPUR.

The GEAR SECTOR,SPUR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, bore_style: W/ KEYWAY BOTH ENDS, tooth_form: STANDARD, pitch_radius: 4.1150 INCHES NOMINAL IN, pressure_angle: 14.5000 DEGREES, teeth_quantity: 21. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-025-9898, 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

A171-018-2B664A

NSN: 3020-01-025-9898
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 11440 — GE STEAM POWER INC DBA GE STEAM POWER, INC DIV GENERAL ELECTRIC (USA)

SPECIFICATIONS

material	COPPER ALLOY OVERALL
bore_style	W/ KEYWAY BOTH ENDS
tooth_form	STANDARD
pitch_radius	4.1150 INCHES NOMINAL IN
pressure_angle	14.5000 DEGREES
teeth_quantity	21
style_designator	PROTRUDING HUBS
attachment_method	MOUNTING HOLE
arc_nominal_length	8.625 INCHES IN
face_nominal_width	0.750 INCHES IN
hub_nominal_diameter	1.540 INCHES FIRST END IN
hub_style_designator	PLAIN FIRST END
NSN	3020-01-025-9898

COMPONENT DIAGRAM

KEY FEATURES

•

KEYWAY NOMINAL WIDTH: 0.250 INCHES BOTH ENDS IN

•

BORE NOMINAL DIAMETER: 0.750 INCHES BOTH ENDS IN

•

HUB NOMINAL DIAMETER: 1.540 INCHES FIRST END IN

•

TEETH QUANTITY: 21

•

NOMINAL OUTSIDE RADIUS: 3.990 INCHES IN

•

BORE STYLE: W/ KEYWAY BOTH ENDS

•

MOUNTING HOLE TYPE AND QUANTITY: 1 THREADED TRANSVERSELY THROUGH HUB FIRST END

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.500 INCHES FIRST END IN

TECHNICAL CHARACTERISTICS

KEYWAY NOMINAL WIDTH	0.250 INCHES BOTH ENDS IN
BORE NOMINAL DIAMETER	0.750 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER	1.540 INCHES FIRST END IN
TEETH QUANTITY	21
NOMINAL OUTSIDE RADIUS	3.990 INCHES IN
BORE STYLE	W/ KEYWAY BOTH ENDS
MOUNTING HOLE TYPE AND QUANTITY	1 THREADED TRANSVERSELY THROUGH HUB FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.500 INCHES FIRST END IN
STYLE DESIGNATOR	PROTRUDING HUBS
TOOTH FORM	STANDARD

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 2

D-171-349-16 PIReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

D171-349-16PC38Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 A171-018-2B664A?

A171-018-2B664A is a GEAR SECTOR,SPUR.

What parts can replace A171-018-2B664A?

There are 2 known substitutes for A171-018-2B664A: D-171-349-16 PI, D171-349-16PC38. Substitute compatibility should be verified for your specific system.

What is the NSN for A171-018-2B664A?

A171-018-2B664A is cataloged in the U.S. Government catalog under NSN 3020-01-025-9898. This indicates validated use in U.S. government and defense supply chains.

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