D407958-B — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

D407958-B: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: SPOKED, bore_style: W/ 2 KEYWAYS BOTH ENDS, pitch_diameter: 492.0 MILLIMETERS NOMINAL MM, pressure_angle: 20.0000 DEGREES, teeth_quantity: 82. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-432-9933, 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

D407958-B

NSN: 3020-01-432-9933
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 99300 — HARDING-WATERCRAFT INC (USA)

SPECIFICATIONS

material	STEEL OVERALL
body_style	SPOKED
bore_style	W/ 2 KEYWAYS BOTH ENDS
pitch_diameter	492.0 MILLIMETERS NOMINAL MM
pressure_angle	20.0000 DEGREES
teeth_quantity	82
style_designator	HUBLESS
face_nominal_width	89.0 MILLIMETERS MM
keyway_nominal_width	28.0 MILLIMETERS BOTH ENDS MM
bore_nominal_diameter	105.0 MILLIMETERS BOTH ENDS MM
end_item_identification	STRATEGIC SEALIFT CONVERSION SHIPS CLASS
nominal_outside_diameter	504.0 MILLIMETERS MM
NSN	3020-01-432-9933

COMPONENT DIAGRAM

KEY FEATURES

•

KEYWAY NOMINAL WIDTH: 28.0 MILLIMETERS BOTH ENDS MM

•

BORE NOMINAL DIAMETER: 105.0 MILLIMETERS BOTH ENDS MM

•

TEETH QUANTITY: 82

•

BODY STYLE: SPOKED

•

BORE STYLE: W/ 2 KEYWAYS BOTH ENDS

•

STYLE DESIGNATOR: HUBLESS

•

PITCH DIAMETER: 492.0 MILLIMETERS NOMINAL MM

•

NOMINAL OUTSIDE DIAMETER: 504.0 MILLIMETERS MM

TECHNICAL CHARACTERISTICS

KEYWAY NOMINAL WIDTH	28.0 MILLIMETERS BOTH ENDS MM
BORE NOMINAL DIAMETER	105.0 MILLIMETERS BOTH ENDS MM
TEETH QUANTITY	82
BODY STYLE	SPOKED
BORE STYLE	W/ 2 KEYWAYS BOTH ENDS
STYLE DESIGNATOR	HUBLESS
PITCH DIAMETER	492.0 MILLIMETERS NOMINAL MM
NOMINAL OUTSIDE DIAMETER	504.0 MILLIMETERS MM
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM	58.9 MILLIMETERS BOTH ENDS MM
END ITEM IDENTIFICATION	STRATEGIC SEALIFT CONVERSION SHIPS CLASS

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

M900939Reference document

Same NSN cross-reference

Reference document — Secondary 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 D407958-B?

D407958-B is a GEAR,SPUR.

What parts can replace D407958-B?

There is 1 known substitute for D407958-B: M900939. Substitute compatibility should be verified for your specific system.

What is the NSN for D407958-B?

D407958-B is cataloged in the U.S. Government catalog under NSN 3020-01-432-9933. This indicates validated use in U.S. government and defense supply chains.

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D407958-B — GEAR,SPUR

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