PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

570-HInsert,flexible Coupling

Magnaloy Coupling Co Div of Douville-Johnston Corp · NSN 3010-01-618-2691 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-01-618-2691 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-618-2691. Primary manufacturer part number: 570-H.
Features
  • Insert,flexible Coupling — FSC 3010
  • Overall Thickness: 1.13 INCHES NOMINAL IN
  • Style Designator: MULTIPLE LUGS
  • Overall Outside Diameter: 4.780 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Magnaloy Coupling Co Div of Douville-Johnston Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insert,flexible Coupling, cataloged under National Stock Number 3010-01-618-2691, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Magnaloy Coupling Co Div of Douville-Johnston Corp. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-01-618-2691
Primary Part Number570-H
Item NameInsert,flexible Coupling
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerMagnaloy Coupling Co Div of Douville-Johnston Corp
StatusACTIVE
Overall Thickness1.13 INCHES NOMINAL IN
Style DesignatorMULTIPLE LUGS
Overall Outside Diameter4.780 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5110-00-260-1727 INTERCHANGEABLE
Reamer,hand
5995-01-265-2297570H INTERCHANGEABLE
Dyna-Sync Belt
Reliance Electric Company Dba Reliance & Dodge Brands
3010-01-462-4212M570-H5 INTERCHANGEABLE
Insert,flexible Coupling
Magnaloy Coupling Co Div of Douville-Johnston Corp
Cross-Reference Index
Part NumberManufacturer
M570H5 Magnaloy Coupling Co Div of Douville-Johnston Corp (USA)
570-H PRIMARY Magnaloy Coupling Co Div of Douville-Johnston Corp (USA)
Related Parts
5110-00-260-1727INTERCHANGEABLE
REAMER,HAND
5995-01-265-2297INTERCHANGEABLE
DYNA-SYNC BELT
570H
3010-01-462-4212INTERCHANGEABLE
INSERT,FLEXIBLE COUPLING
M570-H5

Frequently Asked Questions

What is NSN 3010-01-618-2691?

NSN 3010-01-618-2691 is a Insert,flexible Coupling, manufactured by Magnaloy Coupling Co Div of Douville-Johnston Corp, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-01-618-2691?

NSN 3010-01-618-2691 has 2 cross-referenced part numbers: M570H5 (Magnaloy Coupling Co Div of Douville-Johnston Corp), 570-H (Magnaloy Coupling Co Div of Douville-Johnston Corp).

What NSN replaces 3010-01-618-2691?

There are 3 known substitutes for 3010-01-618-2691: 5110-00-260-1727, 5995-01-265-2297, 3010-01-462-4212. Verify interchangeability with system specifications before substitution.

What are the specifications of 570-H?

Key specifications for 570-H: Part Name Assigned by Controlling Agency: MODEL 570 INSERT; End Item Identification: LOGISTGICS SUPPORT VESSEL; Overall Thickness: 1.13 INCHES NOMINAL IN; Style Designator: MULTIPLE LUGS. 5 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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