42277D544 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

42277D544: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: PLAIN, SOLID, bore_style: INVOLUTE SPLINE BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 1.3571 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-071-2908, 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

42277D544

NSN: 3020-01-071-2908
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 82402 — TRIUMPH GEAR SYSTEMS INC DBA TRIUMPH GEAR SYSTEMS INC (USA)

SPECIFICATIONS

material	STEEL OVERALL
body_style	PLAIN, SOLID
bore_style	INVOLUTE SPLINE BOTH ENDS
tooth_form	STANDARD
pitch_diameter	1.3571 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	19
spline_quantity	11 BOTH ENDS
style_designator	HUBLESS
surface_treatment	CADMIUM OVERALL
face_nominal_width	0.122 INCHES IN
bore_nominal_diameter	0.418 INCHES BOTH ENDS IN
NSN	3020-01-071-2908

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.418 INCHES BOTH ENDS IN

•

TEETH QUANTITY: 19

•

BODY STYLE: PLAIN, SOLID

•

BORE STYLE: INVOLUTE SPLINE BOTH ENDS

•

PRECISION CLASSIFICATION: QUALITY NUMBER 8

•

STYLE DESIGNATOR: HUBLESS

•

PITCH DIAMETER: 1.3571 INCHES NOMINAL IN

•

TOOTH FORM: STANDARD

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.418 INCHES BOTH ENDS IN
TEETH QUANTITY	19
BODY STYLE	PLAIN, SOLID
BORE STYLE	INVOLUTE SPLINE BOTH ENDS
PRECISION CLASSIFICATION	QUALITY NUMBER 8
STYLE DESIGNATOR	HUBLESS
PITCH DIAMETER	1.3571 INCHES NOMINAL IN
TOOTH FORM	STANDARD
SPLINE QUANTITY	11 BOTH ENDS
NOMINAL OUTSIDE DIAMETER	1.568 INCHES IN

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

42277-544Reference 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 42277D544?

42277D544 is a GEAR,SPUR.

What parts can replace 42277D544?

There is 1 known substitute for 42277D544: 42277-544. Substitute compatibility should be verified for your specific system.

What is the NSN for 42277D544?

42277D544 is cataloged in the U.S. Government catalog under NSN 3020-01-071-2908. This indicates validated use in U.S. government and defense supply chains.

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42277D544 — GEAR,SPUR

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