GH18-72 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

GH18-72: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 0.9990 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-839-8973, 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

GH18-72

NSN: 3020-00-839-8973
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 23266 — SECS INC (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
body_style	PLAIN, SOLID
bore_style	PLAIN BOTH ENDS
tooth_form	STANDARD
pitch_diameter	0.9990 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
pressure_angle	20.0000 DEGREES
teeth_quantity	72
style_designator	HUBLESS
surface_treatment	PASSIVATE OVERALL
face_nominal_width	0.125 INCHES IN
bore_nominal_diameter	0.374 INCHES BOTH ENDS IN
nominal_outside_diameter	1.026 INCHES IN
NSN	3020-00-839-8973

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.374 INCHES BOTH ENDS IN

•

TEETH QUANTITY: 72

•

BODY STYLE: PLAIN, SOLID

•

BORE STYLE: PLAIN BOTH ENDS

•

STYLE DESIGNATOR: HUBLESS

•

PITCH DIAMETER: 0.9990 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN

•

TOOTH FORM: STANDARD

•

NOMINAL OUTSIDE DIAMETER: 1.026 INCHES IN

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.374 INCHES BOTH ENDS IN
TEETH QUANTITY	72
BODY STYLE	PLAIN, SOLID
BORE STYLE	PLAIN BOTH ENDS
STYLE DESIGNATOR	HUBLESS
PITCH DIAMETER	0.9990 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
TOOTH FORM	STANDARD
NOMINAL OUTSIDE DIAMETER	1.026 INCHES IN
SURFACE TREATMENT	PASSIVATE OVERALL
PRESSURE ANGLE	20.0000 DEGREES

SUBSTITUTES & CROSS-REFERENCES 1

S23-72Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is GH18-72?

GH18-72 is a GEAR,SPUR.

What parts can replace GH18-72?

There is 1 known substitute for GH18-72: S23-72. Substitute compatibility should be verified for your specific system.

What is the NSN for GH18-72?

GH18-72 is cataloged in the U.S. Government catalog under NSN 3020-00-839-8973. This indicates validated use in U.S. government and defense supply chains.

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GH18-72 — GEAR,SPUR

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