NSN 3040-01-378-3878 · NIIN 013783878 · Part number 561-6404326-30
Naval Sea Systems Command · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3040-01-378-3878 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-378-3878. Manufacturer of record part number: 561-6404326-30.
Also searched as3040-01-378-3878 ·
3040013783878 ·
NIIN 013783878 ·
01-378-3878 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 53711 · 561-6404326-30
Second End Groove Diameter: 0.2310 INCHES MAXIMUM IN
End Similarity: NOT IDENTICAL
Second End Groove Width: 0.0320 INCHES MAXIMUM IN
Second End Distance From End to Groove: 1.0270 INCHES NOMINAL IN
Identification
NSN: 3040-01-378-3878
NIIN: 013783878
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 561-6404326-30
Manufacturer: Naval Sea Systems Command
General Description
The Shaft,straight, cataloged under National Stock Number 3040-01-378-3878, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3040-01-378-3878
Primary Part Number
561-6404326-30
Item Name
Shaft,straight
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Other items in FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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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 3040-01-378-3878?
NSN 3040-01-378-3878 is a Shaft,straight, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-378-3878?
NSN 3040-01-378-3878 has 1 manufacturer part number on file: 561-6404326-30 (Naval Sea Systems Command).
What are the specifications of 561-6404326-30?
Key specifications for 561-6404326-30: First End Diameter: 0.2497 INCHES MAXIMUM IN; Second End Diameter: 0.2497 INCHES MAXIMUM IN; First End Style: PLAIN; Overall Length: 2.0200 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-378-3878 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.