Shaft, Shouldered3040-01-310-7391

NSN 3040-01-310-7391 · NIIN 013107391

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

Government record, cited

Also searched as 3040-01-310-7391 · 3040013107391 · NIIN 013107391 · 01-310-7391 · FSC 3040 Miscellaneous Power Transmission Equipment · 6K2E-20 · 6K2E-10

Nearby stock numbers ← 3040-01-310-6966 Cylinder Assembly, Actuating, Line · 3040-01-310-7492 Control Assembly, Push-Pull →

Features

Shaft,shouldered — FSC 3040
Second End External Thread Length: 0.5680 INCHES NOMINAL IN
Step Quantity: 9
First End Diameter: 3.6845 INCHES NOMINAL IN
Second End Diameter: 1.2500 INCHES NOMINAL IN
Largest Step Diameter: 3.6845 INCHES NOMINAL IN
First End Style: PLAIN
Material Document and Classification: ASTM-A322 ASSN STD SINGLE MATERIAL RESPONSE

Identification

NSN: 3040-01-310-7391
NIIN: 013107391
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-310-7391, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	3040-01-310-7391
Item Name	Shaft,shouldered
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Status	ACTIVE
Second End External Thread Length	0.5680 INCHES NOMINAL IN
Step Quantity	9
First End Diameter	3.6845 INCHES NOMINAL IN
Second End Diameter	1.2500 INCHES NOMINAL IN
Largest Step Diameter	3.6845 INCHES NOMINAL IN
First End Style	PLAIN
Material Document and Classification	ASTM-A322 ASSN STD SINGLE MATERIAL RESPONSE
End Similarity	NOT IDENTICAL
Second End Style	EXTERNAL THREADED
Material	STEEL

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

Cross-Reference Index

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

Reference documents

Reference	Meaning
6K2E-20	3/9 Design control — primary reference U.S. Government activity
6K2E-10	5/9 Secondary reference U.S. Government activity

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 3040-01-310-7391?

NSN 3040-01-310-7391 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What are the specifications of 3040-01-310-7391?

Key specifications for 3040-01-310-7391: Second End External Thread Length: 0.5680 INCHES NOMINAL IN; Step Quantity: 9; First End Diameter: 3.6845 INCHES NOMINAL IN; Second End Diameter: 1.2500 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-310-7391 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 3040-01-310-7391?

NSN 3040-01-310-7391 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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