PartsTable TECHNICAL DATA SHEET

NSN 3040-01-122-4402Government record, cited

Gearshaft, Bevel3040-01-122-4402

NSN 3040-01-122-4402 · NIIN 011224402 · Part number 522-4675675ITEM1

Naval Sea Systems Command · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711

Government record, cited

NSN 3040-01-122-4402 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-122-4402. Manufacturer of record part number: 522-4675675ITEM1.

Also searched as 3040-01-122-4402 · 3040011224402 · NIIN 011224402 · 01-122-4402 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 53711 · 522-4675675ITEM1 · 300-4684422 ITE · 300-4684422 · 4675675-0001A · 87643-6903ITEM1

Nearby stock numbers ← 3040-01-122-4134 Gearshaft, Spur · 3040-01-122-4461 Core, Flexible Shaft Assembly →

Features

Gearshaft,bevel — FSC 3040
Shaft Type: STRAIGHT
Shaft Material: STEEL AND STEEL COMP E4340
Shaft End Size: 1.000 INCHES IN
Shaft Diameter: 1.000 INCHES NOMINAL IN
Teeth Quantity: 16
Pitch Angle: 45.0000 DEGREES
Diametral Pitch: 6

Identification

NSN: 3040-01-122-4402
NIIN: 011224402
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 522-4675675ITEM1
Manufacturer: Naval Sea Systems Command

General Description

The Gearshaft,bevel, cataloged under National Stock Number 3040-01-122-4402, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 15 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3040-01-122-4402
Primary Part Number	522-4675675ITEM1
Item Name	Gearshaft,bevel
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	Naval Sea Systems Command
Status	ACTIVE
Shaft Type	STRAIGHT
Shaft Material	STEEL AND STEEL COMP E4340
Shaft End Size	1.000 INCHES IN
Shaft Diameter	1.000 INCHES NOMINAL IN
Teeth Quantity	16
Pitch Angle	45.0000 DEGREES
Diametral Pitch	6
Teeth Type	STRAIGHT
Gear Outside Diameter	2.902 INCHES NOMINAL IN
Gear Material	STEEL AND STEEL COMP E4340
Shaft Length	7.820 INCHES NOMINAL IN
Shaft End Type	CROSS DRILLED UNTHREADED, SPLINED INVOLUTE
Gear Location on Shaft	ON END OF SHAFT
Pressure Angle	20.0000 DEGREES
Face Width	0.620 INCHES NOMINAL IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

⇄ Related Items 11

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

3040-01-123-3124300-4684422 ITEM 4 POSSIBLE MATCH

GEARSHAFT,SPUR

Possible match (shared part number)Naval Ship Systems Command

5930-01-123-397487774-3603 ITEM 19 POSSIBLE MATCH

ARM,SWITCH ACTUATOR

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

3020-01-124-751187643-6903ITEM5 POSSIBLE MATCH

GEAR,SPUR

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4820-01-158-8622522-4675675 ITEM10,11 POSSIBLE MATCH

CROSS SLIDE,UPPER,OPERATOR,VALVE

Possible match (shared part number)Naval Ship Systems Command

3040-01-182-718287774-3603 ITEM 3 POSSIBLE MATCH

GEARSHAFT,SPUR

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

3040-01-182-7874522-4675675ITEM3 POSSIBLE MATCH

GEARSHAFT,SPUR

Possible match (shared part number)Naval Sea Systems Command

3020-01-183-4774522-4675675ITEM2 POSSIBLE MATCH

GEAR,BEVEL

Possible match (shared part number)Naval Sea Systems Command

3020-01-232-717987643-6903 ITEM 1,2 POSSIBLE MATCH

GEAR SET,BEVEL,MATCHED

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

3020-01-247-26384675675-0021 POSSIBLE MATCH

GEAR,BEVEL

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

3040-01-248-728087643-6903 ITEM 3 POSSIBLE MATCH

GEARSHAFT,SPUR

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

Cross-Reference Index

Part Number	Manufacturer
522-4675675ITEM1	Naval Sea Systems Command (USA)
300-4684422ITEM1	Naval Sea Systems Command (USA)

Reference documents

Reference	Meaning
300-4684422 ITE	C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity
300-4684422	D/9 Drawing number reference only Naval Sea Systems Command
4675675-0001A	3/2 Design control — primary reference U.S. Government activity
87643-6903ITEM1	5/2 Secondary reference U.S. Government activity
87643-6903	D/9 Drawing number reference only U.S. Government activity
4675675-0001	5/9 Secondary reference Drw Mfg Co
4675675-0001	5/9 Secondary reference U.S. Government activity
522-4675675	D/9 Drawing number reference only Naval Sea Systems Command

Related Parts

3040-01-123-3124POSSIBLE MATCH

GEARSHAFT,SPUR

300-4684422 ITEM 4

5930-01-123-3974POSSIBLE MATCH

ARM,SWITCH ACTUATOR

87774-3603 ITEM 19

3020-01-124-7511POSSIBLE MATCH

GEAR,SPUR

87643-6903ITEM5

4820-01-158-8622POSSIBLE MATCH

CROSS SLIDE,UPPER,OPERATOR,VALVE

522-4675675 ITEM10,11

3040-01-182-7182POSSIBLE MATCH

GEARSHAFT,SPUR

87774-3603 ITEM 3

3040-01-182-7874POSSIBLE MATCH

GEARSHAFT,SPUR

522-4675675ITEM3

3020-01-183-4774POSSIBLE MATCH

GEAR,BEVEL

522-4675675ITEM2

3020-01-232-7179POSSIBLE MATCH

GEAR SET,BEVEL,MATCHED

87643-6903 ITEM 1,2

3020-01-247-2638POSSIBLE MATCH

GEAR,BEVEL

4675675-0021

3040-01-248-7280POSSIBLE MATCH

GEARSHAFT,SPUR

87643-6903 ITEM 3

4310-01-257-4568POSSIBLE MATCH

CRANKSHAFT,COMPRESSOR

4675675-0020

Frequently Asked Questions

What is NSN 3040-01-122-4402?

NSN 3040-01-122-4402 is a Gearshaft,bevel, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-122-4402?

NSN 3040-01-122-4402 has 2 manufacturer part numbers on file: 522-4675675ITEM1 (Naval Sea Systems Command), 300-4684422ITEM1 (Naval Sea Systems Command).

What NSN replaces 3040-01-122-4402?

11 possible matches (shared part number, not a government interchangeability claim): 3040-01-123-3124, 5930-01-123-3974, 3020-01-124-7511. Verify interchangeability with system specifications before substitution.

What are the specifications of 522-4675675ITEM1?

Key specifications for 522-4675675ITEM1: Shaft Type: STRAIGHT; Shaft Material: STEEL AND STEEL COMP E4340; Shaft End Size: 1.000 INCHES IN; Shaft Diameter: 1.000 INCHES NOMINAL IN. 15 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-122-4402 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.

What is the DEMIL code for NSN 3040-01-122-4402?

NSN 3040-01-122-4402 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

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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