C238390-1 — GEAR,HELICAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

C238390-1: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, body_style: PLAIN, SOLID, bore_style: W/COUNTERBORE COUNTERBORE FIRST END, teeth_type: SINGLE HELIX, tooth_form: SPECIAL, helix_angle: 7.0333 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-693-1068, 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

C238390-1

NSN: 3020-00-693-1068
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 06845 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)

SPECIFICATIONS

material	COPPER ALLOY OVERALL
body_style	PLAIN, SOLID
bore_style	W/COUNTERBORE COUNTERBORE FIRST END
teeth_type	SINGLE HELIX
tooth_form	SPECIAL
helix_angle	7.0333 DEGREES
pitch_diameter	0.8340 INCHES MINIMUM AND 0.8368 INCHES MAXIMUM IN
pressure_angle	20.0000 DEGREES
teeth_quantity	20
tooth_direction	LEFT
style_designator	HUBLESS
face_nominal_width	0.064 INCHES IN
NSN	3020-00-693-1068

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.500 INCHES COUNTERBORE FIRST END IN

•

HELIX ANGLE: 7.0333 DEGREES

•

TEETH QUANTITY: 20

•

BODY STYLE: PLAIN, SOLID

•

COUNTERBORE NOMINAL DIAMETER: 0.710 INCHES COUNTERBORE FIRST END IN

•

TOOTH DIRECTION: LEFT

•

BORE STYLE: W/COUNTERBORE COUNTERBORE FIRST END

•

TEETH TYPE: SINGLE HELIX

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.500 INCHES COUNTERBORE FIRST END IN
HELIX ANGLE	7.0333 DEGREES
TEETH QUANTITY	20
BODY STYLE	PLAIN, SOLID
COUNTERBORE NOMINAL DIAMETER	0.710 INCHES COUNTERBORE FIRST END IN
TOOTH DIRECTION	LEFT
BORE STYLE	W/COUNTERBORE COUNTERBORE FIRST END
TEETH TYPE	SINGLE HELIX
STYLE DESIGNATOR	HUBLESS
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B139-46T,GRADE B2 ASSN STD 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 3

N16-G-413286-866Reference document

Same NSN cross-reference

Reference document — Secondary reference

2Z4887-31Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

C238390Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is C238390-1?

C238390-1 is a GEAR,HELICAL.

What parts can replace C238390-1?

There are 3 known substitutes for C238390-1: N16-G-413286-866, 2Z4887-31, C238390. Substitute compatibility should be verified for your specific system.

What is the NSN for C238390-1?

C238390-1 is cataloged in the U.S. Government catalog under NSN 3020-00-693-1068. This indicates validated use in U.S. government and defense supply chains.

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