211053478 — GEAR,ANTIBACKLASH,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

211053478: GEAR,ANTIBACKLASH,SPUR.

The GEAR,ANTIBACKLASH,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 1.2500 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 60. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-433-6899, 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

211053478

NSN: 3020-00-433-6899
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	STEEL COMP 303 OVERALL
bore_style	PLAIN BOTH ENDS
tooth_form	STANDARD
pitch_diameter	1.2500 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	60
style_designator	PROTRUDING HUBS
surface_treatment	PASSIVATE HUB
face_nominal_width	0.104 INCHES IN
hub_nominal_diameter	0.375 INCHES FIRST END IN
hub_style_designator	PINNED FIRST END
bore_nominal_diameter	0.187 INCHES BOTH ENDS IN
NSN	3020-00-433-6899

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.187 INCHES BOTH ENDS IN

•

HUB NOMINAL DIAMETER: 0.375 INCHES FIRST END IN

•

TEETH QUANTITY: 60

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

BORE STYLE: PLAIN BOTH ENDS

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.046 INCHES SECOND END IN

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.187 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER	0.375 INCHES FIRST END IN
HUB NOMINAL DIAMETER	0.688 INCHES SECOND END IN
TEETH QUANTITY	60
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
BORE STYLE	PLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.046 INCHES SECOND END IN
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.288 INCHES FIRST END IN
PRECISION CLASSIFICATION	QUALITY NUMBER 10
STYLE DESIGNATOR	PROTRUDING HUBS

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 2

561-6404326 FINDSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

AP48C60Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 211053478?

211053478 is a GEAR,ANTIBACKLASH,SPUR.

What parts can replace 211053478?

There are 2 known substitutes for 211053478: 561-6404326 FIND, AP48C60. Substitute compatibility should be verified for your specific system.

What is the NSN for 211053478?

211053478 is cataloged in the U.S. Government catalog under NSN 3020-00-433-6899. This indicates validated use in U.S. government and defense supply chains.

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211053478 — GEAR,ANTIBACKLASH,SPUR

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