PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H841-0310-40Adjusting Device,belt-Chain Tens

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 3040-01-514-3540 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-514-3540 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-514-3540. Primary manufacturer part number: H841-0310-40.
Features
  • Adjusting Device,belt-Chain Tens — FSC 3040
  • 4 verified cross-references
  • Primary manufacturer: Electric Boat Corporation Div General Dynamics Electric Boat
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Adjusting Device,belt-Chain Tens, cataloged under National Stock Number 3040-01-514-3540, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-514-3540
Primary Part NumberH841-0310-40
Item NameAdjusting Device,belt-Chain Tens
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3040-01-493-3818751-6402992-2 INTERCHANGEABLE
Collar,gagging
Naval Sea Systems Command
4030-01-506-886833212 INTERCHANGEABLE
Swivel and Link Assembly
Mjt Holdings Llc
Cross-Reference Index
Part NumberManufacturer
6402992-AY-99 Naval Sea Systems Command (USA)
H841-0310-40 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
6402992 Naval Sea Systems Command (USA)
751-7068534-40 Naval Sea Systems Command (USA)
Related Parts
3040-01-493-3818INTERCHANGEABLE
COLLAR,GAGGING
751-6402992-2
4030-01-506-8868INTERCHANGEABLE
SWIVEL AND LINK ASSEMBLY
33212

Frequently Asked Questions

What is NSN 3040-01-514-3540?

NSN 3040-01-514-3540 is a Adjusting Device,belt-Chain Tens, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-514-3540?

NSN 3040-01-514-3540 has 4 cross-referenced part numbers: 6402992-AY-99 (Naval Sea Systems Command), H841-0310-40 (Electric Boat Corporation Div General Dynamics Electric Boat), 6402992 (Naval Sea Systems Command), 751-7068534-40 (Naval Sea Systems Command).

What NSN replaces 3040-01-514-3540?

There are 2 known substitutes for 3040-01-514-3540: 3040-01-493-3818, 4030-01-506-8868. Verify interchangeability with system specifications before substitution.

What are the specifications of H841-0310-40?

Key specifications for H841-0310-40: End Item Identification: DRIVE ASSY TT. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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