PartsTable TECHNICAL DATA SHEET

NSN 3040-01-505-5904Government record, cited

Connecting Link, Rigid3040-01-505-5904

NSN 3040-01-505-5904 · NIIN 015055904 · Part number 74A672403-1001

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

Government record, cited

NSN 3040-01-505-5904 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-505-5904. Manufacturer of record part number: 74A672403-1001.

Also searched as 3040-01-505-5904 · 3040015055904 · NIIN 015055904 · 01-505-5904 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 76301 · 74A672403-1001 · 74A672403 REV A

Nearby stock numbers ← 3040-01-505-5889 Shaft, Straight · 3040-01-505-5912 Pivot Shaft Assembly →

Features

Connecting Link,rigid — FSC 3040
Link Style: TONGUE ENDS
Body Width: 0.840 INCHES NOMINAL IN
Material Document and Classification: AMS4050 ASSN STD SINGLE MATERIAL RESPONSE
End Attachment Hole Diameter: 0.437 INCHES NOMINAL BOTH ENDS IN
End Attachment Style: CLEVIS NO. 1 BOTH ENDS
End Attachment Length: 1.100 INCHES NOMINAL BOTH ENDS IN
Material: ALUMINUM ALLOY

Identification

NSN: 3040-01-505-5904
NIIN: 015055904
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 74A672403-1001
Manufacturer: The Boeing Company Div Defense

General Description

The Connecting Link,rigid, cataloged under National Stock Number 3040-01-505-5904, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	3040-01-505-5904
Primary Part Number	74A672403-1001
Item Name	Connecting Link,rigid
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	The Boeing Company Div Defense
Status	ACTIVE
Link Style	TONGUE ENDS
Body Width	0.840 INCHES NOMINAL IN
Material Document and Classification	AMS4050 ASSN STD SINGLE MATERIAL RESPONSE
End Attachment Hole Diameter	0.437 INCHES NOMINAL BOTH ENDS IN
End Attachment Style	CLEVIS NO. 1 BOTH ENDS
End Attachment Length	1.100 INCHES NOMINAL BOTH ENDS IN
Material	ALUMINUM ALLOY
End Attachment Fork Width	0.522 INCHES NOMINAL BOTH ENDS IN
Body Thickness	0.522 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	F

Cross-Reference Index

Part Number	Manufacturer
74A672403-1001 PRIMARY	The Boeing Company Div Defense (USA)

Reference documents

Reference	Meaning
74A672403 REV A	D/9 Drawing number reference only The Boeing Company Div Defense
74A672403-1001	5/9 Secondary reference United Manufacturing Investments Llc Dba United Manufacturing

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 3040-01-505-5904?

NSN 3040-01-505-5904 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 3040-01-505-5904?

NSN 3040-01-505-5904 has 1 manufacturer part number on file: 74A672403-1001 (The Boeing Company Div Defense).

What are the specifications of 74A672403-1001?

Key specifications for 74A672403-1001: Link Style: TONGUE ENDS; Body Width: 0.840 INCHES NOMINAL IN; Material Document and Classification: AMS4050 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 10.140 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-505-5904 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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