T-8003157-4 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

T-8003157-4: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: PLAIN, SOLID, bore_style: W/COUNTERBORE BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 3.3750 INCHES NOMINAL IN, pressure_angle: 14.5000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-307-3011, 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

T-8003157-4

NSN: 3020-01-307-3011
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 03538 — LOCKHEED MARTIN CORPORATION DIV RMS (USA)

SPECIFICATIONS

material	STEEL OVERALL
body_style	PLAIN, SOLID
bore_style	W/COUNTERBORE BOTH ENDS
tooth_form	STANDARD
pitch_diameter	3.3750 INCHES NOMINAL IN
pressure_angle	14.5000 DEGREES
teeth_quantity	81
style_designator	HUBLESS
face_nominal_width	0.250 INCHES IN
bore_nominal_diameter	1.000 INCHES BOTH ENDS IN
nominal_outside_diameter	3.458 INCHES IN
counterbore_nominal_depth	0.094 INCHES BOTH ENDS IN
NSN	3020-01-307-3011

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 1.000 INCHES BOTH ENDS IN

•

TEETH QUANTITY: 81

•

BODY STYLE: PLAIN, SOLID

•

COUNTERBORE NOMINAL DIAMETER: 1.781 INCHES BOTH ENDS IN

•

BORE STYLE: W/COUNTERBORE BOTH ENDS

•

STYLE DESIGNATOR: HUBLESS

•

PITCH DIAMETER: 3.3750 INCHES NOMINAL IN

•

TOOTH FORM: STANDARD

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	1.000 INCHES BOTH ENDS IN
TEETH QUANTITY	81
BODY STYLE	PLAIN, SOLID
COUNTERBORE NOMINAL DIAMETER	1.781 INCHES BOTH ENDS IN
BORE STYLE	W/COUNTERBORE BOTH ENDS
STYLE DESIGNATOR	HUBLESS
PITCH DIAMETER	3.3750 INCHES NOMINAL IN
TOOTH FORM	STANDARD
NOMINAL OUTSIDE DIAMETER	3.458 INCHES IN
PRESSURE ANGLE	14.5000 DEGREES

SUBSTITUTES & CROSS-REFERENCES 1

298377Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is T-8003157-4?

T-8003157-4 is a GEAR,SPUR.

What parts can replace T-8003157-4?

There is 1 known substitute for T-8003157-4: 298377. Substitute compatibility should be verified for your specific system.

What is the NSN for T-8003157-4?

T-8003157-4 is cataloged in the U.S. Government catalog under NSN 3020-01-307-3011. This indicates validated use in U.S. government and defense supply chains.

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T-8003157-4 — GEAR,SPUR

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