Shaft, Shouldered3040-01-439-5778

NSN 3040-01-439-5778 · NIIN 014395778

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

Government record, cited

Also searched as 3040-01-439-5778 · 3040014395778 · NIIN 014395778 · 01-439-5778 · FSC 3040 Miscellaneous Power Transmission Equipment

Nearby stock numbers ← 3040-01-439-5775 Shaft, Shouldered · 3040-01-439-5780 Shaft, Shouldered →

Features

Shaft,shouldered — FSC 3040
Step Quantity: 5
First End Diameter: 0.3750 INCHES NOMINAL IN
Largest Step Diameter: 0.3750 INCHES NOMINAL IN
First End Style: CIRCULAR GROOVED AND INTERNALLY THREADED
First End Internal Thread Length: 1.2500 INCHES NOMINAL IN
Material Document and Classification: ASTM 1018 ASSN STD SINGLE MATERIAL RESPONSE
End Similarity: IDENTICAL

Identification

NSN: 3040-01-439-5778
NIIN: 014395778
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-439-5778, 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9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	3040-01-439-5778
Item Name	Shaft,shouldered
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Status	ACTIVE
Step Quantity	5
First End Diameter	0.3750 INCHES NOMINAL IN
Largest Step Diameter	0.3750 INCHES NOMINAL IN
First End Style	CIRCULAR GROOVED AND INTERNALLY THREADED
First End Internal Thread Length	1.2500 INCHES NOMINAL IN
Material Document and Classification	ASTM 1018 ASSN STD SINGLE MATERIAL RESPONSE
End Similarity	IDENTICAL
First End Groove Diameter	0.3120 INCHES NOMINAL IN
Material	STEEL COMP 1018

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
1408061	3/9 Design control — primary reference Landoll Corporation Dba Landoll Corporation Drexel Division Div Drexel

Frequently Asked Questions

What is NSN 3040-01-439-5778?

NSN 3040-01-439-5778 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What are the specifications of 3040-01-439-5778?

Key specifications for 3040-01-439-5778: Step Quantity: 5; First End Diameter: 0.3750 INCHES NOMINAL IN; Largest Step Diameter: 0.3750 INCHES NOMINAL IN; First End Style: CIRCULAR GROOVED AND INTERNALLY THREADED. 9 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-439-5778 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.

PartsTable Design LLC · partstable.com