Shaft, Shouldered3040-01-144-9653

NSN 3040-01-144-9653 · NIIN 011449653

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

Government record, cited

Also searched as 3040-01-144-9653 · 3040011449653 · NIIN 011449653 · 01-144-9653 · FSC 3040 Miscellaneous Power Transmission Equipment · 46296E1457 · 46296E1457

Nearby stock numbers ← 3040-01-144-9652 Shaft, Shouldered · 3040-01-144-9654 Shaft, Shouldered →

Features

Shaft,shouldered — FSC 3040
Surface Finish: 125.0 MICROINCHES
Step Quantity: 4
First End Diameter: 3.0000 INCHES NOMINAL IN
Second End Diameter: 1.9995 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN
Largest Step Diameter: 3.000 INCHES NOMINAL IN
First End Style: PLAIN
Second End Keyway Width: 0.4990 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM IN

Identification

NSN: 3040-01-144-9653
NIIN: 011449653
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-144-9653, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	3040-01-144-9653
Item Name	Shaft,shouldered
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Status	ACTIVE
Surface Finish	125.0 MICROINCHES
Step Quantity	4
First End Diameter	3.0000 INCHES NOMINAL IN
Second End Diameter	1.9995 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN
Largest Step Diameter	3.000 INCHES NOMINAL IN
First End Style	PLAIN
Second End Keyway Width	0.4990 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM IN
Second End Keyway Depth	0.289 INCHES NOMINAL IN
End Similarity	NOT IDENTICAL
Second End Style	FLAT KEYWAY
Material	STEEL COMP 4140
External Keyway Length	2.190 INCHES NOMINAL SECOND END 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

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

Reference documents

Reference	Meaning
46296E1457	3/2 Design control — primary reference U.S. Government activity
46296E1457	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 3040-01-144-9653?

NSN 3040-01-144-9653 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What are the specifications of 3040-01-144-9653?

Key specifications for 3040-01-144-9653: Surface Finish: 125.0 MICROINCHES; Step Quantity: 4; First End Diameter: 3.0000 INCHES NOMINAL IN; Second End Diameter: 1.9995 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN. 12 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-144-9653 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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