Gearshaft, Spur3040-01-490-4607

NSN 3040-01-490-4607 · NIIN 014904607

FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment

Government record, cited

Also searched as 3040-01-490-4607 · 3040014904607 · NIIN 014904607 · 01-490-4607 · FSC 3040 Miscellaneous Power Transmission Equipment

Nearby stock numbers ← 3040-01-490-4497 Connecting Link, Rigid · 3040-01-490-4923 Adapter Hoist Ring →

Features

Gearshaft,spur — FSC 3040
Teeth Quantity: 14
Gear Outside Diameter: 2.120 INCHES NOMINAL IN
Shaft End Type: THREADED EXTERNAL
Gear Location on Shaft: OFF CENTER BETWEEN ENDS OF SHAFT

Identification

NSN: 3040-01-490-4607
NIIN: 014904607
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Gearshaft,spur, cataloged under National Stock Number 3040-01-490-4607, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3040-01-490-4607
Item Name	Gearshaft,spur
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Status	ACTIVE
Teeth Quantity	14
Gear Outside Diameter	2.120 INCHES NOMINAL IN
Shaft End Type	THREADED EXTERNAL
Gear Location on Shaft	OFF CENTER BETWEEN ENDS OF SHAFT

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
643804101	3/9 Design control — primary reference Duff-Norton Co Inc

No interchangeability data on file.

Other items in FSC 3040 — Miscellaneous Power Transmission Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3040-00-001-0046

3040-00-001-0046 · Item name not on file

3040-00-001-0047

3040-00-001-0047 · Item name not on file

3040-00-001-0048

3040-00-001-0048 · Item name not on file

3040-00-001-0068

3040-00-001-0068 · Item name not on file

3040-00-001-0077

3040-00-001-0077 · Item name not on file

3040-00-001-0078

3040-00-001-0078 · Item name not on file

3040-00-001-0089

3040-00-001-0089 · Item name not on file

3040-00-001-1224

3040-00-001-1224 · Item name not on file

Frequently Asked Questions

What is NSN 3040-01-490-4607?

NSN 3040-01-490-4607 is a Gearshaft,spur, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What are the specifications of 3040-01-490-4607?

Key specifications for 3040-01-490-4607: Teeth Quantity: 14; Gear Outside Diameter: 2.120 INCHES NOMINAL IN; Overall Length: 18.430 INCHES NOMINAL IN; Shaft End Type: THREADED EXTERNAL. 4 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-490-4607 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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