Shaft, Straight3040-00-021-5718

NSN 3040-00-021-5718 · NIIN 000215718

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

Government record, cited

Also searched as 3040-00-021-5718 · 3040000215718 · NIIN 000215718 · 00-021-5718 · FSC 3040 Miscellaneous Power Transmission Equipment · 401-40062-2 · 401-40062-2

Nearby stock numbers ← 3040-00-021-5717 · 3040-00-021-5850 Collar, Shaft →

Features

Shaft,straight — FSC 3040
Surface Finish: 25.0 MICROINCHES
First End Diameter: 0.2495 INCHES NOMINAL IN
Second End Diameter: 0.2490 INCHES NOMINAL IN
First End Style: PLAIN
Material Document and Classification: MIL-S-7720,COND A MIL SPEC SINGLE MATERIAL RESPONSE
Second End Groove Diameter: 0.2300 INCHES NOMINAL IN
End Similarity: NOT IDENTICAL

Identification

NSN: 3040-00-021-5718
NIIN: 000215718
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Shaft,straight, cataloged under National Stock Number 3040-00-021-5718, 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11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	3040-00-021-5718
Item Name	Shaft,straight
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Status	ACTIVE
Surface Finish	25.0 MICROINCHES
First End Diameter	0.2495 INCHES NOMINAL IN
Second End Diameter	0.2490 INCHES NOMINAL IN
First End Style	PLAIN
Material Document and Classification	MIL-S-7720,COND A MIL SPEC SINGLE MATERIAL RESPONSE
Second End Groove Diameter	0.2300 INCHES NOMINAL IN
End Similarity	NOT IDENTICAL
Second End Groove Width	0.0280 INCHES NOMINAL IN
Second End Distance From End to Groove	0.080 INCHES NOMINAL IN
Second End Style	CIRCULAR GROOVED
Material	STEEL COMP 303

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
401-40062-2	3/2 Design control — primary reference U.S. Government activity
401-40062-2	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 3040-00-021-5718?

NSN 3040-00-021-5718 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What are the specifications of 3040-00-021-5718?

Key specifications for 3040-00-021-5718: Surface Finish: 25.0 MICROINCHES; First End Diameter: 0.2495 INCHES NOMINAL IN; Second End Diameter: 0.2490 INCHES NOMINAL IN; First End Style: PLAIN. 11 specifications are documented in the U.S. Government catalog.

Is NSN 3040-00-021-5718 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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