PartsTable TECHNICAL DATA SHEET

NSN 3020-01-433-2580Government record, cited

Gear, Spur3020-01-433-2580

NSN 3020-01-433-2580 · NIIN 014332580 · Part number M900943

Palfinger Marine Usa, Llc · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 63504

Government record, cited

NSN 3020-01-433-2580 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-433-2580. Manufacturer of record part number: M900943.

Also searched as 3020-01-433-2580 · 3020014332580 · NIIN 014332580 · 01-433-2580 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 63504 · M900943 · D407958-F · D407958-F

Nearby stock numbers ← 3020-01-433-2548 Gear, Spur · 3020-01-433-2582 Gear, Spur →

Features

Gear,spur — FSC 3020
Keyway Nominal Width: 20.0 MILLIMETERS BOTH ENDS MM
Bore Nominal Diameter: 75.0 MILLIMETERS BOTH ENDS MM
Teeth Quantity: 123
Body Style: SPOKED
Bore Style: W/ KEYWAY BOTH ENDS
Style Designator: FLUSH HUB
Pitch Diameter: 430.5 MILLIMETERS NOMINAL MM

Identification

NSN: 3020-01-433-2580
NIIN: 014332580
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: M900943
Manufacturer: Palfinger Marine Usa, Llc

General Description

The Gear,spur, cataloged under National Stock Number 3020-01-433-2580, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Palfinger Marine Usa, Llc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3020-01-433-2580
Primary Part Number	M900943
Item Name	Gear,spur
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer	Palfinger Marine Usa, Llc
Status	ACTIVE
Keyway Nominal Width	20.0 MILLIMETERS BOTH ENDS MM
Bore Nominal Diameter	75.0 MILLIMETERS BOTH ENDS MM
Teeth Quantity	123
Body Style	SPOKED
Bore Style	W/ KEYWAY BOTH ENDS
Style Designator	FLUSH HUB
Pitch Diameter	430.5 MILLIMETERS NOMINAL MM
Hub Style Designator	PLAIN FIRST END
Nominal Outside Diameter	437.5 MILLIMETERS MM
Nominal Distance From Bore Center to Keyway Bottom	40.4 MILLIMETERS BOTH ENDS MM
Pressure Angle	20.0000 DEGREES
Material	STEEL OVERALL
Face Nominal Width	50.0 MILLIMETERS MM

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
M900943 PRIMARY	Palfinger Marine Usa, Llc (USA)
D407958-F	Palfinger Marine Usa, Llc (USA)

Reference documents

Reference	Meaning
M900943	5/9 Secondary reference U.S. Government activity
D407958-F	5/9 Secondary reference U.S. Government activity

No interchangeability data on file.

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

GEAR,SPUR

3020-00-001-0027

3020-00-001-0027 · Item name not on file

3020-00-001-0028

3020-00-001-0028 · Item name not on file

3020-00-001-0063

3020-00-001-0063 · Item name not on file

3020-00-001-0064

3020-00-001-0064 · Item name not on file

3020-00-001-0066

3020-00-001-0066 · Item name not on file

3020-00-001-0071

3020-00-001-0071 · Item name not on file

3020-00-001-0072

3020-00-001-0072 · Item name not on file

Frequently Asked Questions

What is NSN 3020-01-433-2580?

NSN 3020-01-433-2580 is a Gear,spur, manufactured by Palfinger Marine Usa, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-433-2580?

NSN 3020-01-433-2580 has 2 manufacturer part numbers on file: M900943 (Palfinger Marine Usa, Llc), D407958-F (Palfinger Marine Usa, Llc).

What are the specifications of M900943?

Key specifications for M900943: Keyway Nominal Width: 20.0 MILLIMETERS BOTH ENDS MM; Bore Nominal Diameter: 75.0 MILLIMETERS BOTH ENDS MM; Teeth Quantity: 123; Body Style: SPOKED. 13 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-433-2580 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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