2521175-1 — GEAR,SPUR

✓ Government record, cited

Lenovo · COMPONENT

PRODUCT OVERVIEW

2521175-1: GEAR,SPUR.

The GEAR,SPUR is a Lenovo industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 1.6250 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-054-1024, 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

2521175-1

NSN: 3020-00-054-1024
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 2024 OVERALL
body_style	PLAIN, SOLID
bore_style	PLAIN BOTH ENDS
tooth_form	STANDARD
pitch_diameter	1.6250 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	104
style_designator	PROTRUDING HUB
attachment_method	CLAMP
surface_treatment	CHROMATE OVERALL
face_nominal_width	0.125 INCHES IN
hub_nominal_diameter	0.249 INCHES FIRST END IN
NSN	3020-00-054-1024

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COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.187 INCHES BOTH ENDS IN

•

HUB NOMINAL DIAMETER: 0.249 INCHES FIRST END IN

•

TEETH QUANTITY: 104

•

CLAMPING SURFACE NOMINAL LENGTH: 0.200 INCHES FIRST END IN

•

BODY STYLE: PLAIN, SOLID

•

BORE STYLE: PLAIN BOTH ENDS

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.295 INCHES FIRST END IN

•

PRECISION CLASSIFICATION: QUALITY NUMBER 12

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.187 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER	0.249 INCHES FIRST END IN
TEETH QUANTITY	104
CLAMPING SURFACE NOMINAL LENGTH	0.200 INCHES FIRST END IN
BODY STYLE	PLAIN, SOLID
BORE STYLE	PLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.295 INCHES FIRST END IN
PRECISION CLASSIFICATION	QUALITY NUMBER 12
STYLE DESIGNATOR	PROTRUDING HUB
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

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

2521175Reference 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 2521175-1?

2521175-1 is a GEAR,SPUR manufactured by Lenovo.

What parts can replace 2521175-1?

There is 1 known substitute for 2521175-1: 2521175. Substitute compatibility should be verified for your specific system.

What is the NSN for 2521175-1?

2521175-1 is cataloged in the U.S. Government catalog under NSN 3020-00-054-1024. This indicates validated use in U.S. government and defense supply chains.

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2521175-1 — GEAR,SPUR

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