Shaft, Straight3040-01-406-1941

NSN 3040-01-406-1941 · NIIN 014061941 · Part number DAA7278D281-001

Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 1W025

Government record, cited

NSN 3040-01-406-1941 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-406-1941. Manufacturer of record part number: DAA7278D281-001.

Also searched as 3040-01-406-1941 · 3040014061941 · NIIN 014061941 · 01-406-1941 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 1W025 · DAA7278D281-001

Nearby stock numbers ← 3040-01-406-1940 Shaft, Shouldered · 3040-01-406-1944 Shaft, Shouldered →

Features

Shaft,straight — FSC 3040
Second End Hole Diameter: 0.2010 INCHES MINIMUM AND 0.2130 INCHES MAXIMUM IN
First End Diameter: 0.9940 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM IN
Second End Diameter: 0.9940 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM IN
First End Style: FLAT KEYWAY
First End Keyway Depth: 0.138 INCHES NOMINAL IN
Second End Distance From Hole Center to End: 0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
End Similarity: NOT IDENTICAL

Identification

NSN: 3040-01-406-1941
NIIN: 014061941
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: DAA7278D281-001
Manufacturer: Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems

General Description

The Shaft,straight, cataloged under National Stock Number 3040-01-406-1941, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3040-01-406-1941
Primary Part Number	DAA7278D281-001
Item Name	Shaft,straight
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems
Status	ACTIVE
Second End Hole Diameter	0.2010 INCHES MINIMUM AND 0.2130 INCHES MAXIMUM IN
First End Diameter	0.9940 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM IN
Second End Diameter	0.9940 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM IN
First End Style	FLAT KEYWAY
First End Keyway Depth	0.138 INCHES NOMINAL IN
Second End Distance From Hole Center to End	0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
End Similarity	NOT IDENTICAL
Second End Style	UNTHREADED CROSS DRILLED
Material	STEEL COMP 4130
External Keyway Length	0.750 INCHES NOMINAL FIRST END IN
First End Keyway Width	0.2505 INCHES MINIMUM AND 0.2525 INCHES MAXIMUM IN

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
DAA7278D281-001 PRIMARY	Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA)

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 3040-01-406-1941?

NSN 3040-01-406-1941 is a Shaft,straight, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-406-1941?

NSN 3040-01-406-1941 has 1 manufacturer part number on file: DAA7278D281-001 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).

What are the specifications of DAA7278D281-001?

Key specifications for DAA7278D281-001: Second End Hole Diameter: 0.2010 INCHES MINIMUM AND 0.2130 INCHES MAXIMUM IN; First End Diameter: 0.9940 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM IN; Second End Diameter: 0.9940 INCHES MINIMUM AND 0.9980 INCHES MAXIMUM IN; First End Style: FLAT KEYWAY. 11 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-406-1941 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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