S1635-20023 — GEAR,BEVEL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

S1635-20023: GEAR,BEVEL.

The GEAR,BEVEL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: PLAIN, SOLID, bore_style: INVOLUTE SPLINE BOTH ENDS, teeth_type: SPIRAL, pitch_angle: 99.3832 DEGREES, pitch_diameter: 18.7840 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-326-3489, 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

S1635-20023

NSN: 3020-00-326-3489
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)

SPECIFICATIONS

material	STEEL OVERALL
body_style	PLAIN, SOLID
bore_style	INVOLUTE SPLINE BOTH ENDS
teeth_type	SPIRAL
pitch_angle	99.3832 DEGREES
pitch_diameter	18.7840 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	57
spline_quantity	86 BOTH ENDS
tooth_direction	LEFT
special_features	COUNTERBORE ON FIRST END,11.095 IN. DIA,0.158 IN. DEEP IN
style_designator	SIDE FACE, BACK HUB PROTRUDING
NSN	3020-00-326-3489

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 10.9775 INCHES BOTH ENDS IN

•

TEETH QUANTITY: 57

•

BODY STYLE: PLAIN, SOLID

•

PITCH ANGLE: 99.3832 DEGREES

•

TOOTH DIRECTION: LEFT

•

BORE STYLE: INVOLUTE SPLINE BOTH ENDS

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 1.2500 INCHES SECOND END IN

•

FIRST STEP NOMINAL LENGTH: 1.1900 INCHES SECOND END IN

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	10.9775 INCHES BOTH ENDS IN
TEETH QUANTITY	57
BODY STYLE	PLAIN, SOLID
PITCH ANGLE	99.3832 DEGREES
TOOTH DIRECTION	LEFT
BORE STYLE	INVOLUTE SPLINE BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	1.2500 INCHES SECOND END IN
FIRST STEP NOMINAL LENGTH	1.1900 INCHES SECOND END IN
TEETH TYPE	SPIRAL
NOMINAL OVERALL LENGTH	2.3630 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 1

S1635-20023-3Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 S1635-20023?

S1635-20023 is a GEAR,BEVEL.

What parts can replace S1635-20023?

There is 1 known substitute for S1635-20023: S1635-20023-3. Substitute compatibility should be verified for your specific system.

What is the NSN for S1635-20023?

S1635-20023 is cataloged in the U.S. Government catalog under NSN 3020-00-326-3489. This indicates validated use in U.S. government and defense supply chains.

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S1635-20023 — GEAR,BEVEL

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