FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
General Description
The Connecting Link,rigid, cataloged under National Stock Number 3040-01-690-3786, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Connecting Link,rigid
FSC / FSG
3040 — Miscellaneous Power Transmission Equipment (FSG 30)
Technical Specifications
Parameter
Value
NSN
3040-01-690-3786
Item Name
Connecting Link,rigid
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Status
ACTIVE
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
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-690-4891221K718H04POSSIBLE MATCH
SHAFT,STRAIGHT
Possible match (shared part number)Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
3040-01-717-1060221K718H12POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
3040-01-717-1061221K718H15POSSIBLE MATCH
CONNECTING LINK,RIGID
Possible match (shared part number)Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5340-01-721-0273221K718H14POSSIBLE MATCH
LINK,DETACHABLE
Possible match (shared part number)Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
221K718H02
3/2Design control — primary reference
U.S. Government activity
221K718
D/9Drawing number reference only
U.S. Government activity
Related Parts
3040-01-690-4891POSSIBLE MATCH
SHAFT,STRAIGHT
221K718H04
3040-01-717-1060POSSIBLE MATCH
CONNECTING LINK,RIGID
221K718H12
3040-01-717-1061POSSIBLE MATCH
CONNECTING LINK,RIGID
221K718H15
5340-01-721-0273POSSIBLE MATCH
LINK,DETACHABLE
221K718H14
Frequently Asked Questions
What is NSN 3040-01-690-3786?
NSN 3040-01-690-3786 is a Connecting Link,rigid, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What NSN replaces 3040-01-690-3786?
4 possible matches (shared part number, not a government interchangeability claim): 3040-01-690-4891, 3040-01-717-1060, 3040-01-717-1061. Verify interchangeability with system specifications before substitution.
Is NSN 3040-01-690-3786 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.