12349951 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

12349951: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, body_style: PLAIN, SOLID, pitch_diameter: 3.5000 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 56, hardness_rating: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-241-9141, 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

12349951

NSN: 3020-01-241-9141
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL COMP 4140 OVERALL
body_style	PLAIN, SOLID
pitch_diameter	3.5000 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	56
hardness_rating	28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
style_designator	BELL SHAPE BODY, PROTRUDING HUB
face_nominal_width	0.375 INCHES IN
end_item_identification	2350-01-219-7577
nominal_outside_diameter	3.600 INCHES IN
body_recess_nominal_depth	0.967 INCHES SECOND END IN
nominal_distance_between_body_face_and_protruding_hub_end	1.247 INCHES FIRST END IN
NSN	3020-01-241-9141

COMPONENT DIAGRAM

KEY FEATURES

•

TEETH QUANTITY: 56

•

BODY STYLE: PLAIN, SOLID

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 1.247 INCHES FIRST END IN

•

HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL

•

STYLE DESIGNATOR: BELL SHAPE BODY, PROTRUDING HUB

•

PITCH DIAMETER: 3.5000 INCHES NOMINAL IN

•

NOMINAL OUTSIDE DIAMETER: 3.600 INCHES IN

TECHNICAL CHARACTERISTICS

TEETH QUANTITY	56
BODY STYLE	PLAIN, SOLID
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	1.247 INCHES FIRST END IN
HARDNESS RATING	28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR	BELL SHAPE BODY, PROTRUDING HUB
PITCH DIAMETER	3.5000 INCHES NOMINAL IN
NOMINAL OUTSIDE DIAMETER	3.600 INCHES IN
END ITEM IDENTIFICATION	2350-01-219-7577
PRESSURE ANGLE	20.0000 DEGREES
MATERIAL	STEEL COMP 4140 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

3020012419141Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 12349951?

12349951 is a GEAR,SPUR.

What parts can replace 12349951?

There is 1 known substitute for 12349951: 3020012419141. Substitute compatibility should be verified for your specific system.

What is the NSN for 12349951?

12349951 is cataloged in the U.S. Government catalog under NSN 3020-01-241-9141. This indicates validated use in U.S. government and defense supply chains.

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12349951 — GEAR,SPUR

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