Clamp, Hub3040-01-398-3440

NSN 3040-01-398-3440 · NIIN 013983440

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

Government record, cited

Also searched as 3040-01-398-3440 · 3040013983440 · NIIN 013983440 · 01-398-3440 · FSC 3040 Miscellaneous Power Transmission Equipment

Nearby stock numbers ← 3040-01-398-3438 Clamp, Hub · 3040-01-398-3449 Shaft, Shouldered →

Features

Clamp,hub — FSC 3040
Plain Hole Diameter: 0.1930 INCHES NOMINAL IN
Clamp Securing Hole Style: UNTHREADED
Style Designator: RECTANGULAR, SINGLE BOLT SECURED
Material Document and Classification: QQ-B-613, ALLOY 353 FED SPEC SINGLE MATERIAL RESPONSE
Distance From Bore Centerline to End: 1.0200 INCHES NOMINAL IN
Surface Treatment: OXIDE
Bore Diameter: 1.0000 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN

Identification

NSN: 3040-01-398-3440
NIIN: 013983440
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Clamp,hub, cataloged under National Stock Number 3040-01-398-3440, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3040-01-398-3440
Item Name	Clamp,hub
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Status	ACTIVE
Plain Hole Diameter	0.1930 INCHES NOMINAL IN
Clamp Securing Hole Style	UNTHREADED
Style Designator	RECTANGULAR, SINGLE BOLT SECURED
Material Document and Classification	QQ-B-613, ALLOY 353 FED SPEC SINGLE MATERIAL RESPONSE
Distance From Bore Centerline to End	1.0200 INCHES NOMINAL IN
Surface Treatment	OXIDE
Bore Diameter	1.0000 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
Material	COPPER ALLOY 353
Thickness	0.3750 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
1859557	3/9 Design control — primary reference Northrop Grumman Systems Corporation

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 3040-01-398-3440?

NSN 3040-01-398-3440 is a Clamp,hub, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What are the specifications of 3040-01-398-3440?

Key specifications for 3040-01-398-3440: Plain Hole Diameter: 0.1930 INCHES NOMINAL IN; Clamp Securing Hole Style: UNTHREADED; Style Designator: RECTANGULAR, SINGLE BOLT SECURED; Material Document and Classification: QQ-B-613, ALLOY 353 FED SPEC SINGLE MATERIAL RESPONSE. 9 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-398-3440 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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