Coupling, Shaft, Rigid3010-01-302-9205

NSN 3010-01-302-9205 · NIIN 013029205 · Part number MR-441BX4

Siemens Energy, Inc. · FSC 3010 — Torque Converters and Speed Changers · FSG 30 — Mechanical Power Transmission Equipment · CAGE 16712

Government record, cited

NSN 3010-01-302-9205 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-302-9205. Manufacturer of record part number: MR-441BX4.

Also searched as 3010-01-302-9205 · 3010013029205 · NIIN 013029205 · 01-302-9205 · FSC 3010 Torque Converters and Speed Changers · CAGE 16712 · MR-441BX4 · H-2764 PIECE 33

Nearby stock numbers ← 3010-01-302-9204 Coupling, Shaft, Rigid · 3010-01-302-9545 Gear Subassembly, Speed Decreaser →

Features

Coupling,shaft,rigid — FSC 3010
Body Material: ALUMINUM ALLOY
2 manufacturer part numbers on file
Manufacturer of record: Siemens Energy, Inc.

Identification

NSN: 3010-01-302-9205
NIIN: 013029205
FSC: 3010 — Torque Converters and Speed Changers
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: MR-441BX4
Manufacturer: Siemens Energy, Inc.

General Description

The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-302-9205, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Siemens Energy, Inc.. Government technical data includes 1 specification, 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3010-01-302-9205
Primary Part Number	MR-441BX4
Item Name	Coupling,shaft,rigid
FSC / FSG	3010 / 30 — Torque Converters and Speed Changers
Manufacturer	Siemens Energy, Inc.
Status	ACTIVE
Body Material	ALUMINUM ALLOY

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
H-2764 PIECE 33	Siemens Energy, Inc. (USA)
MR-441BX4 PRIMARY	Siemens Energy, Inc. (USA)

No interchangeability data on file.

Other items in FSC 3010 — Torque Converters and Speed Changers

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

3010-00-010-0577

3010-00-010-0577 · Item name not on file

3010-00-267-4959

GRIDMEMBER,COUPLING

3010-00-267-4959

GRIDMEMBER,COUPLING

3010-00-267-4959

GRIDMEMBER,COUPLING

3010-00-356-3346

CLUTCH ASSEMBLY,FRICTION

3010-00-395-0188

CLUTCH,DRUM

3010-00-395-0188

CLUTCH,DRUM

3010-00-395-0188

CLUTCH,DRUM

Frequently Asked Questions

What is NSN 3010-01-302-9205?

NSN 3010-01-302-9205 is a Coupling,shaft,rigid, manufactured by Siemens Energy, Inc., classified under FSC 3010, Torque Converters and Speed Changers. Status: active.

What part numbers are listed for NSN 3010-01-302-9205?

NSN 3010-01-302-9205 has 2 manufacturer part numbers on file: H-2764 PIECE 33 (Siemens Energy, Inc.), MR-441BX4 (Siemens Energy, Inc.).

What are the specifications of MR-441BX4?

Key specifications for MR-441BX4: Body Material: ALUMINUM ALLOY. 1 specification is documented in the U.S. Government catalog.

Is NSN 3010-01-302-9205 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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