Shaft, Straight3040-01-103-0945

NSN 3040-01-103-0945 · NIIN 011030945

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

Government record, cited

Also searched as 3040-01-103-0945 · 3040011030945 · NIIN 011030945 · 01-103-0945 · FSC 3040 Miscellaneous Power Transmission Equipment

Nearby stock numbers ← 3040-01-103-0535 Disc, Brake · 3040-01-103-1050 Connecting Link, Rigid →

Features

Shaft,straight — FSC 3040
First End Pitch Diameter: 1.0625 INCHES NOMINAL IN
First End Diameter: 0.9688 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
First End Spline Major Diameter: 1.1250 INCHES NOMINAL IN
First End Style: SPLINED (INVOLUTE)
Material Document and Classification: AMS5643 ASSN STD SINGLE MATERIAL RESPONSE
First End Pressure Angle: 30.0 DEGREES NOMINAL
First End Spline Length: 4.500 INCHES MINIMUM AND 4.520 INCHES MAXIMUM IN

Identification

NSN: 3040-01-103-0945
NIIN: 011030945
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Shaft,straight, cataloged under National Stock Number 3040-01-103-0945, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	3040-01-103-0945
Item Name	Shaft,straight
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Status	ACTIVE
First End Pitch Diameter	1.0625 INCHES NOMINAL IN
First End Diameter	0.9688 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
First End Spline Major Diameter	1.1250 INCHES NOMINAL IN
First End Style	SPLINED (INVOLUTE)
Material Document and Classification	AMS5643 ASSN STD SINGLE MATERIAL RESPONSE
First End Pressure Angle	30.0 DEGREES NOMINAL
First End Spline Length	4.500 INCHES MINIMUM AND 4.520 INCHES MAXIMUM IN
First End Spline Quantity	17
End Similarity	IDENTICAL
First End Spline Minor Diameter	1.1200 INCHES NOMINAL IN
Material	STEEL COMP 17-4PH

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
949570-101	3/2 Design control — primary 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 3040-01-103-0945?

NSN 3040-01-103-0945 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What are the specifications of 3040-01-103-0945?

Key specifications for 3040-01-103-0945: First End Pitch Diameter: 1.0625 INCHES NOMINAL IN; First End Diameter: 0.9688 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN; First End Spline Major Diameter: 1.1250 INCHES NOMINAL IN; First End Style: SPLINED (INVOLUTE). 11 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-103-0945 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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