437B115 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

437B115: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, body_style: PLAIN, SOLID, tooth_form: STANDARD, pitch_diameter: 0.3750 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 27. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-128-3028, 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

437B115

NSN: 3020-01-128-3028
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 17472 — EATON AEROSPACE LLC DBA EATON INOAC DIV FUEL & MOTION CONTROL SYSTEMS DIVISION (USA)

SPECIFICATIONS

material	STEEL COMP 4340 OVERALL
body_style	PLAIN, SOLID
tooth_form	STANDARD
pitch_diameter	0.3750 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	27
hardness_rating	34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
style_designator	PROTRUDING HUBS
surface_treatment	OXIDE OVERALL
end_nominal_length	0.125 INCHES SECOND END IN
face_nominal_width	0.125 INCHES IN
end_nominal_diameter	0.125 INCHES SECOND END IN
NSN	3020-01-128-3028

COMPONENT DIAGRAM

KEY FEATURES

•

TEETH QUANTITY: 27

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

BODY STYLE: PLAIN, SOLID

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.220 INCHES FIRST END IN

•

FIRST STEP NOMINAL LENGTH: 0.020 INCHES SECOND END IN

•

HARDNESS RATING: 34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL

TECHNICAL CHARACTERISTICS

TEETH QUANTITY	27
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
BODY STYLE	PLAIN, SOLID
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.220 INCHES FIRST END IN
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.195 INCHES SECOND END IN
FIRST STEP NOMINAL LENGTH	0.020 INCHES SECOND END IN
FIRST STEP NOMINAL LENGTH	0.020 INCHES FIRST END IN
HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR	PROTRUDING HUBS
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL 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

10106674Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is 437B115?

437B115 is a GEAR,SPUR.

What parts can replace 437B115?

There is 1 known substitute for 437B115: 10106674. Substitute compatibility should be verified for your specific system.

What is the NSN for 437B115?

437B115 is cataloged in the U.S. Government catalog under NSN 3020-01-128-3028. This indicates validated use in U.S. government and defense supply chains.

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437B115 — GEAR,SPUR

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