Extension Shaft3040-01-421-0017

NSN 3040-01-421-0017 · NIIN 014210017

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

Government record, cited

Also searched as 3040-01-421-0017 · 3040014210017 · NIIN 014210017 · 01-421-0017 · FSC 3040 Miscellaneous Power Transmission Equipment · 148D6792G0001 · 148D6792G1 · 695L462ITEM8

Nearby stock numbers ← 3040-01-421-0012 Weight, Counterbalance · 3040-01-421-0025 Cylinder Assembly, Actuating, Line →

Features

Extension Shaft — FSC 3040
Length: 13.940 INCHES NOMINAL IN
Shaft End Diameter: 8.630 INCHES NOMINAL IN
End Type: PROCESSED END
Attachment Method: UNTHREADED COUNTERBORED HOLE

Identification

NSN: 3040-01-421-0017
NIIN: 014210017
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Extension Shaft, cataloged under National Stock Number 3040-01-421-0017, 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4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	3040-01-421-0017
Item Name	Extension Shaft
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Status	ACTIVE
Length	13.940 INCHES NOMINAL IN
Shaft End Diameter	8.630 INCHES NOMINAL IN
End Type	PROCESSED END
Attachment Method	UNTHREADED COUNTERBORED HOLE

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
148D6792G0001	3/9 Design control — primary reference General Electric Co Large Steam Turbine-Generator Dept
148D6792G1	5/9 Secondary reference General Electric Co Large Steam Turbine-Generator Dept
695L462ITEM8	5/9 Secondary reference General Electric Co Large Steam Turbine-Generator Dept

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 3040-01-421-0017?

NSN 3040-01-421-0017 is a Extension Shaft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What are the specifications of 3040-01-421-0017?

Key specifications for 3040-01-421-0017: Length: 13.940 INCHES NOMINAL IN; Shaft End Diameter: 8.630 INCHES NOMINAL IN; End Item Identification: SEAWOLF CLASS SSN; End Type: PROCESSED END. 4 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-421-0017 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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