490D820H04 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

490D820H04: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 0.3750 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-820-0367, 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

490D820H04

NSN: 3020-00-820-0367
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)

SPECIFICATIONS

material	STEEL COMP 303 OVERALL
body_style	PLAIN, SOLID
bore_style	PLAIN BOTH ENDS
tooth_form	STANDARD
pitch_diameter	0.3750 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	18
special_features	MTG HOLES 90 DEGS APART
style_designator	PROTRUDING HUB
surface_treatment	PASSIVATE OVERALL
face_nominal_width	0.187 INCHES IN
hub_nominal_diameter	0.406 INCHES FIRST END IN
NSN	3020-00-820-0367

COMPONENT DIAGRAM

KEY FEATURES

•

FURNISHED ITEMS AND QUANTITY: 1 SETSCREW

•

BORE NOMINAL DIAMETER: 0.188 INCHES BOTH ENDS IN

•

HUB NOMINAL DIAMETER: 0.406 INCHES FIRST END IN

•

TEETH QUANTITY: 18

•

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

•

BODY STYLE: PLAIN, SOLID

•

BORE STYLE: PLAIN BOTH ENDS

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.251 INCHES FIRST END IN

TECHNICAL CHARACTERISTICS

FURNISHED ITEMS AND QUANTITY	1 SETSCREW
BORE NOMINAL DIAMETER	0.188 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER	0.406 INCHES FIRST END IN
TEETH QUANTITY	18
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
BODY STYLE	PLAIN, SOLID
BORE STYLE	PLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.251 INCHES FIRST END IN
PRECISION CLASSIFICATION	QUALITY NUMBER 10
STYLE DESIGNATOR	PROTRUDING HUB

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

490D820Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 490D820H04?

490D820H04 is a GEAR,SPUR.

What parts can replace 490D820H04?

There is 1 known substitute for 490D820H04: 490D820. Substitute compatibility should be verified for your specific system.

What is the NSN for 490D820H04?

490D820H04 is cataloged in the U.S. Government catalog under NSN 3020-00-820-0367. This indicates validated use in U.S. government and defense supply chains.

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