SM-B-157107 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

SM-B-157107: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 1.1541 INCHES NOMINAL IN, pressure_angle: 14.5000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-392-7760, 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

SM-B-157107

NSN: 3020-00-392-7760
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)

SPECIFICATIONS

material	STEEL OVERALL
body_style	PLAIN, SOLID
bore_style	PLAIN BOTH ENDS
tooth_form	STANDARD
pitch_diameter	1.1541 INCHES NOMINAL IN
pressure_angle	14.5000 DEGREES
teeth_quantity	37
style_designator	PROTRUDING HUB, RECESSED BODY
surface_treatment	PHOSPHATE OVERALL
face_nominal_width	0.219 INCHES IN
hub_nominal_diameter	0.625 INCHES FIRST END IN
hub_style_designator	PINNED FIRST END
NSN	3020-00-392-7760

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.250 INCHES BOTH ENDS IN

•

HUB NOMINAL DIAMETER: 0.625 INCHES FIRST END IN

•

TEETH QUANTITY: 37

•

BODY STYLE: PLAIN, SOLID

•

BORE STYLE: PLAIN BOTH ENDS

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.521 INCHES FIRST END IN

•

STYLE DESIGNATOR: PROTRUDING HUB, RECESSED BODY

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-623 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.250 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER	0.625 INCHES FIRST END IN
TEETH QUANTITY	37
BODY STYLE	PLAIN, SOLID
BORE STYLE	PLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.521 INCHES FIRST END IN
STYLE DESIGNATOR	PROTRUDING HUB, RECESSED BODY
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-623 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER	1.1541 INCHES NOMINAL IN
TOOTH FORM	STANDARD

SUBSTITUTES & CROSS-REFERENCES 1

52344Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is SM-B-157107?

SM-B-157107 is a GEAR,SPUR.

What parts can replace SM-B-157107?

There is 1 known substitute for SM-B-157107: 52344. Substitute compatibility should be verified for your specific system.

What is the NSN for SM-B-157107?

SM-B-157107 is cataloged in the U.S. Government catalog under NSN 3020-00-392-7760. This indicates validated use in U.S. government and defense supply chains.

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SM-B-157107 — GEAR,SPUR

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