Connecting Link, Rigid3040-00-759-8522

NSN 3040-00-759-8522 · NIIN 007598522 · Part number 6407-40120-050

Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 78286

Government record, cited

NSN 3040-00-759-8522 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-759-8522. Manufacturer of record part number: 6407-40120-050.

Also searched as 3040-00-759-8522 · 3040007598522 · NIIN 007598522 · 00-759-8522 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 78286 · 6407-40120-050

Nearby stock numbers ← 3040-00-759-8413 · 3040-00-759-8567 Gearshaft, Spur →

Features

Connecting Link,rigid — FSC 3040
Body Diameter: 1.000 INCHES NOMINAL IN
Body Construction: TUBULAR
Link Style: RAISED FACE TO INTERNAL THREAD
End Attachment Hole Diameter: 0.250 INCHES NOMINAL FIRST END IN
End Attachment Width: 0.593 INCHES NOMINAL FIRST END IN
Surface Treatment: ANODIZE
End Attachment Length: 2.344 INCHES NOMINAL FIRST END IN

Identification

NSN: 3040-00-759-8522
NIIN: 007598522
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 6407-40120-050
Manufacturer: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp

General Description

The Connecting Link,rigid, cataloged under National Stock Number 3040-00-759-8522, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3040-00-759-8522
Primary Part Number	6407-40120-050
Item Name	Connecting Link,rigid
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
Status	ACTIVE
Body Diameter	1.000 INCHES NOMINAL IN
Body Construction	TUBULAR
Link Style	RAISED FACE TO INTERNAL THREAD
End Attachment Hole Diameter	0.250 INCHES NOMINAL FIRST END IN
End Attachment Width	0.593 INCHES NOMINAL FIRST END IN
Surface Treatment	ANODIZE
End Attachment Length	2.344 INCHES NOMINAL FIRST END IN
Material	ALUMINUM ALLOY

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

Part Number	Manufacturer
6407-40120-050 PRIMARY	Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)

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 3040-00-759-8522?

NSN 3040-00-759-8522 is a Connecting Link,rigid, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-00-759-8522?

NSN 3040-00-759-8522 has 1 manufacturer part number on file: 6407-40120-050 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).

What are the specifications of 6407-40120-050?

Key specifications for 6407-40120-050: Body Diameter: 1.000 INCHES NOMINAL IN; Body Construction: TUBULAR; Link Style: RAISED FACE TO INTERNAL THREAD; Overall Length: 21.918 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 3040-00-759-8522 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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