Hub, Body3040-01-425-0391

NSN 3040-01-425-0391 · NIIN 014250391

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

Government record, cited

Also searched as 3040-01-425-0391 · 3040014250391 · NIIN 014250391 · 01-425-0391 · FSC 3040 Miscellaneous Power Transmission Equipment · 3056527P1 · 3056527

Nearby stock numbers ← 3040-01-425-0375 Cylinder Assembly, Actuating, Line · 3040-01-425-0393 Plate, Retaining, Shaft →

Features

Hub,body — FSC 3040
Shoulder Width: 0.040 INCHES NOMINAL IN
Hub Inside Diameter: 0.253 INCHES NOMINAL IN
Style Designator: SINGLE HUB W/ SECURING HOLE(S)
Surface Treatment: PASSIVATE
Distance From First End Hub to Shoulder: 0.360 INCHES NOMINAL IN
Material: STEEL
Shoulder Outside Diameter: 0.500 INCHES NOMINAL IN

Identification

NSN: 3040-01-425-0391
NIIN: 014250391
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Hub,body, cataloged under National Stock Number 3040-01-425-0391, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	3040-01-425-0391
Item Name	Hub,body
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Status	ACTIVE
Shoulder Width	0.040 INCHES NOMINAL IN
Hub Inside Diameter	0.253 INCHES NOMINAL IN
Style Designator	SINGLE HUB W/ SECURING HOLE(S)
Surface Treatment	PASSIVATE
Distance From First End Hub to Shoulder	0.360 INCHES NOMINAL IN
Material	STEEL
Shoulder Outside Diameter	0.500 INCHES NOMINAL IN
First End Hub Outside Diameter	0.312 INCHES NOMINAL 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
3056527P1	3/9 Design control — primary reference U.S. Government activity
3056527	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 3040-01-425-0391?

NSN 3040-01-425-0391 is a Hub,body, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What are the specifications of 3040-01-425-0391?

Key specifications for 3040-01-425-0391: Shoulder Width: 0.040 INCHES NOMINAL IN; Hub Inside Diameter: 0.253 INCHES NOMINAL IN; Style Designator: SINGLE HUB W/ SECURING HOLE(S); Special Features: 0.190-32 UNC-2B X 0.280 IN.DP;O/A LENGTH:0.400 IN.NOM;ATTACHMENT METHOD:MACHINE SCREW IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-425-0391 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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