NSN 3040-01-338-6514 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-338-6514. Manufacturer of record part number: 137D-MAINSHAFT.
Also searched as3040-01-338-6514 ·
3040013386514 ·
NIIN 013386514 ·
01-338-6514 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 67121 · 137D-MAINSHAFT
Nearby stock numbers← 3040-01-338-6490 Piston, Linear Actuating Cylinder
·
3040-01-338-6538 Lever, Remote Control →
Features
Gearshaft,spur — FSC 3040
Shaft Type: SHOULDERED
Gear Location on Shaft: OFF CENTER BETWEEN ENDS OF SHAFT
1 manufacturer part number on file
Manufacturer of record: Mcelroy Marine Machinery
Identification
NSN: 3040-01-338-6514
NIIN: 013386514
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 137D-MAINSHAFT
Manufacturer: Mcelroy Marine Machinery
General Description
The Gearshaft,spur, cataloged under National Stock Number 3040-01-338-6514, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Mcelroy Marine Machinery. Government technical data includes 2 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
3040-01-338-6514
Primary Part Number
137D-MAINSHAFT
Item Name
Gearshaft,spur
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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3040-00-001-0048 · Item name not on file
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3040-00-001-0089 · Item name not on file
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3040-00-001-1224 · Item name not on file
Frequently Asked Questions
What is NSN 3040-01-338-6514?
NSN 3040-01-338-6514 is a Gearshaft,spur, manufactured by Mcelroy Marine Machinery, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-338-6514?
NSN 3040-01-338-6514 has 1 manufacturer part number on file: 137D-MAINSHAFT (Mcelroy Marine Machinery).
What are the specifications of 137D-MAINSHAFT?
Key specifications for 137D-MAINSHAFT: Shaft Type: SHOULDERED; Gear Location on Shaft: OFF CENTER BETWEEN ENDS OF SHAFT; End Item Identification: SPEED REDUCER,MCELROY MACHINE AND MFG CO INC,MODEL CB225. 2 specifications are documented in the U.S. Government catalog.
Is NSN 3040-01-338-6514 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.