G77-50 SPECIAL — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

G77-50 SPECIAL: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 2.5000 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-263-3991, 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

G77-50 SPECIAL

NSN: 3020-01-263-3991
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 00141 — ROLLER BEARING CO OF AMERICA, INC DIV PIC DESIGN (USA)

SPECIFICATIONS

material	STEEL COMP 303 OVERALL
body_style	PLAIN, SOLID
bore_style	PLAIN BOTH ENDS
tooth_form	STANDARD
pitch_diameter	2.5000 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	50
style_designator	PROTRUDING HUB
attachment_method	SETSCREWS
face_nominal_width	0.375 INCHES IN
hub_nominal_diameter	1.000 INCHES FIRST END IN
hub_style_designator	PINNED FIRST END
NSN	3020-01-263-3991

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.500 INCHES BOTH ENDS IN

•

HUB NOMINAL DIAMETER: 1.000 INCHES FIRST END IN

•

TEETH QUANTITY: 50

•

BODY STYLE: PLAIN, SOLID

•

BORE STYLE: PLAIN BOTH ENDS

•

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

•

STYLE DESIGNATOR: PROTRUDING HUB

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.500 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER	1.000 INCHES FIRST END IN
TEETH QUANTITY	50
BODY STYLE	PLAIN, SOLID
BORE STYLE	PLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.500 INCHES FIRST END IN
STYLE DESIGNATOR	PROTRUDING HUB
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER	2.5000 INCHES NOMINAL IN
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

P20S37-50Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

106P20S37-50Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is G77-50 SPECIAL?

G77-50 SPECIAL is a GEAR,SPUR.

What parts can replace G77-50 SPECIAL?

There are 2 known substitutes for G77-50 SPECIAL: P20S37-50, 106P20S37-50. Substitute compatibility should be verified for your specific system.

What is the NSN for G77-50 SPECIAL?

G77-50 SPECIAL is cataloged in the U.S. Government catalog under NSN 3020-01-263-3991. This indicates validated use in U.S. government and defense supply chains.

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