Shaft, Straight3040-01-181-1840

NSN 3040-01-181-1840 · NIIN 011811840

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

Government record, cited

Also searched as 3040-01-181-1840 · 3040011811840 · NIIN 011811840 · 01-181-1840 · FSC 3040 Miscellaneous Power Transmission Equipment · P12615016 · P12615016

Nearby stock numbers ← 3040-01-181-1839 Cylinder Assembly, Actuating, Line · 3040-01-181-1841 →

Features

Shaft,straight — FSC 3040
Surface Finish: 125.0 MICROINCHES
First End Diameter: 0.3150 INCHES NOMINAL IN
First End Style: UNTHREADED CROSS DRILLED
Material Document and Classification: AISI 1045 NATIONAL SPEC SINGLE MATERIAL RESPONSE
End Similarity: IDENTICAL
First End Hole Diameter: 0.0937 INCHES NOMINAL IN
Material: STEEL

Identification

NSN: 3040-01-181-1840
NIIN: 011811840
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Shaft,straight, cataloged under National Stock Number 3040-01-181-1840, 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8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	3040-01-181-1840
Item Name	Shaft,straight
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Status	ACTIVE
Surface Finish	125.0 MICROINCHES
First End Diameter	0.3150 INCHES NOMINAL IN
First End Style	UNTHREADED CROSS DRILLED
Material Document and Classification	AISI 1045 NATIONAL SPEC SINGLE MATERIAL RESPONSE
End Similarity	IDENTICAL
First End Hole Diameter	0.0937 INCHES NOMINAL IN
Material	STEEL
First End Distance From Hole Center to End	0.160 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
P12615016	C/1 Advisory reference — outside the item-of-supply concept Fairbanks Morse, Llc
P12615016	3/9 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 3040-01-181-1840?

NSN 3040-01-181-1840 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What are the specifications of 3040-01-181-1840?

Key specifications for 3040-01-181-1840: Surface Finish: 125.0 MICROINCHES; First End Diameter: 0.3150 INCHES NOMINAL IN; First End Style: UNTHREADED CROSS DRILLED; Material Document and Classification: AISI 1045 NATIONAL SPEC SINGLE MATERIAL RESPONSE. 8 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-181-1840 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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