283A3 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

283A3: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1050 OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 15.7000 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-752-1815, 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

283A3

NSN: 3020-00-752-1815
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)

SPECIFICATIONS

material	STEEL COMP 1050 OVERALL
body_style	PLAIN, SOLID
bore_style	PLAIN BOTH ENDS
tooth_form	STANDARD
pitch_diameter	15.7000 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	157
hardness_rating	48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
style_designator	HUBLESS
face_nominal_width	0.484 INCHES IN
bore_nominal_diameter	14.791 INCHES BOTH ENDS IN
nominal_outside_diameter	15.700 INCHES IN
NSN	3020-00-752-1815

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 14.791 INCHES BOTH ENDS IN

•

TEETH QUANTITY: 157

•

BODY STYLE: PLAIN, SOLID

•

BORE STYLE: PLAIN BOTH ENDS

•

HARDNESS RATING: 48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL

•

STYLE DESIGNATOR: HUBLESS

•

MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1050 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

PITCH DIAMETER: 15.7000 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	14.791 INCHES BOTH ENDS IN
TEETH QUANTITY	157
BODY STYLE	PLAIN, SOLID
BORE STYLE	PLAIN BOTH ENDS
HARDNESS RATING	48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR	HUBLESS
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1050 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER	15.7000 INCHES NOMINAL IN
TOOTH FORM	STANDARD
NOMINAL OUTSIDE DIAMETER	15.700 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 2

913535Reference document

Same NSN cross-reference

Reference document — Secondary reference

7521815Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 283A3?

283A3 is a GEAR,SPUR.

What parts can replace 283A3?

There are 2 known substitutes for 283A3: 913535, 7521815. Substitute compatibility should be verified for your specific system.

What is the NSN for 283A3?

283A3 is cataloged in the U.S. Government catalog under NSN 3020-00-752-1815. This indicates validated use in U.S. government and defense supply chains.

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283A3 — GEAR,SPUR

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