105D3921 — GEAR,BEVEL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

105D3921: GEAR,BEVEL.

The GEAR,BEVEL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, body_style: PLAIN, SOLID, bore_style: INVOLUTE SPLINE BOTH ENDS, teeth_type: STRAIGHT, pitch_angle: 21.0000 DEGREES, pitch_diameter: 0.4688 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-055-9505, 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

105D3921

NSN: 3020-01-055-9505
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 05606 — GENERAL DYNAMICS-OTS, INC. DIV ORDNANCE AND TACTICAL SYSTEMS (USA)

SPECIFICATIONS

material	STEEL COMP 4140 OVERALL
body_style	PLAIN, SOLID
bore_style	INVOLUTE SPLINE BOTH ENDS
teeth_type	STRAIGHT
pitch_angle	21.0000 DEGREES
pitch_diameter	0.4688 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	14
style_designator	PERIPHERAL FACE, PROTRUDING HUBS
nominal_overall_length	0.900 INCHES IN
nominal_outside_diameter	1.6570 INCHES IN
material_document_and_classification	ASTM-A322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM-A331 ASSN STD 2ND MATERIAL RESPONSE OVERALL
NSN	3020-01-055-9505

COMPONENT DIAGRAM

KEY FEATURES

•

TEETH QUANTITY: 14

•

BODY STYLE: PLAIN, SOLID

•

PITCH ANGLE: 21.0000 DEGREES

•

BORE STYLE: INVOLUTE SPLINE BOTH ENDS

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.134 INCHES SECOND END IN

•

TEETH TYPE: STRAIGHT

•

NOMINAL OVERALL LENGTH: 0.900 INCHES IN

TECHNICAL CHARACTERISTICS

TEETH QUANTITY	14
BODY STYLE	PLAIN, SOLID
PITCH ANGLE	21.0000 DEGREES
BORE STYLE	INVOLUTE SPLINE BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.134 INCHES SECOND END IN
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.1100 INCHES FIRST END IN
TEETH TYPE	STRAIGHT
NOMINAL OVERALL LENGTH	0.900 INCHES IN
STYLE DESIGNATOR	PERIPHERAL FACE, PROTRUDING HUBS
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM-A322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM-A331 ASSN STD 2ND 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 1

3020PL0663209Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 105D3921?

105D3921 is a GEAR,BEVEL.

What parts can replace 105D3921?

There is 1 known substitute for 105D3921: 3020PL0663209. Substitute compatibility should be verified for your specific system.

What is the NSN for 105D3921?

105D3921 is cataloged in the U.S. Government catalog under NSN 3020-01-055-9505. This indicates validated use in U.S. government and defense supply chains.

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105D3921 — GEAR,BEVEL

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