PartsTable TECHNICAL DATA SHEET

NSN 3040-01-568-1415Government record, cited

Connecting Link, Rigid3040-01-568-1415

NSN 3040-01-568-1415 · NIIN 015681415 · Part number 74A410683-1003

The Boeing Company Div Defense · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 76301

Government record, cited

NSN 3040-01-568-1415 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-568-1415. Manufacturer of record part number: 74A410683-1003.

Also searched as 3040-01-568-1415 · 3040015681415 · NIIN 015681415 · 01-568-1415 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 76301 · 74A410683-1003 · 10369404

Nearby stock numbers ← 3040-01-568-1247 Damper, Inertia · 3040-01-568-1752 Bracket, Eye, Rotating Shaft →

Features

Connecting Link,rigid — FSC 3040
Body Construction: SOLID
Link Style: RAISED FACE ENDS
Body Width: 0.620 INCHES NOMINAL IN
Material Document and Classification: MIL-S-25043, CONDITION A MIL SPEC SINGLE MATERIAL RESPONSE
End Attachment Hole Diameter: 1.030 INCHES NOMINAL FIRST END IN
End Attachment Hole Diameter: 1.280 INCHES NOMINAL SECOND END IN
End Attachment Style: RAISED FACE, ROUND FIRST END

Identification

NSN: 3040-01-568-1415
NIIN: 015681415
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 74A410683-1003
Manufacturer: The Boeing Company Div Defense

General Description

The Connecting Link,rigid, cataloged under National Stock Number 3040-01-568-1415, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	3040-01-568-1415
Primary Part Number	74A410683-1003
Item Name	Connecting Link,rigid
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	The Boeing Company Div Defense
Status	ACTIVE
Body Construction	SOLID
Link Style	RAISED FACE ENDS
Body Width	0.620 INCHES NOMINAL IN
Material Document and Classification	MIL-S-25043, CONDITION A MIL SPEC SINGLE MATERIAL RESPONSE
End Attachment Hole Diameter	1.030 INCHES NOMINAL FIRST END IN
End Attachment Hole Diameter	1.280 INCHES NOMINAL SECOND END IN
End Attachment Style	RAISED FACE, ROUND FIRST END
End Attachment Style	RAISED FACE, ROUND SECOND END
Material	STEEL
Body Thickness	0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM 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	F

Cross-Reference Index

Part Number	Manufacturer
74A410683-1003 PRIMARY	The Boeing Company Div Defense (USA)
74A410683-1003	A. J. Associates Manufacturing & Engineering Co. Inc. (USA)
74A410683-1003	The Boeing Company Div Services (USA)
74A410683-1003	Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA)

Reference documents

Reference	Meaning
10369404	6/9 Informative reference only Nimikkeistokeskus Ncb Finland

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 3040-01-568-1415?

NSN 3040-01-568-1415 is a Connecting Link,rigid, manufactured by The Boeing Company Div Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-568-1415?

NSN 3040-01-568-1415 has 4 manufacturer part numbers on file: 74A410683-1003 (The Boeing Company Div Defense), 74A410683-1003 (A. J. Associates Manufacturing & Engineering Co. Inc.), 74A410683-1003 (The Boeing Company Div Services), 74A410683-1003 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc).

What are the specifications of 74A410683-1003?

Key specifications for 74A410683-1003: Body Construction: SOLID; Link Style: RAISED FACE ENDS; Body Width: 0.620 INCHES NOMINAL IN; Material Document and Classification: MIL-S-25043, CONDITION A MIL SPEC SINGLE MATERIAL RESPONSE. 10 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-568-1415 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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