PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S617DSocket,wire Rope

Lucas Western Inc · NSN 4030-00-374-0256 · FSC 4030 · No Item Name Available
Verified by PartsTable
NSN 4030-00-374-0256 — this item is cataloged by the U.S. Government under National Stock Number 4030-00-374-0256. Primary manufacturer part number: S617D.
Features
  • Socket,wire Rope — FSC 4030
  • Style Designator: OPEN WEDGE
  • Accommodated Material Diameter: 0.750 INCHES NOMINAL IN
  • Opening Width: 1.500 INCHES NOMINAL IN
  • Bolt Hole Diameter: 1.562 INCHES NOMINAL IN
  • Material: STEEL
  • 3 verified cross-references
  • Primary manufacturer: Lucas Western Inc
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Applications requiring Steel construction
General Description

The Socket,wire Rope, cataloged under National Stock Number 4030-00-374-0256, is classified within Federal Supply Class 4030 (No Item Name Available) of the Rope, Cable, Chain, and Fittings group. The primary manufacturer of record is Lucas Western Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4030-00-374-0256
Primary Part NumberS617D
Item NameSocket,wire Rope
FSC / FSG4030 / 40 — No Item Name Available
ManufacturerLucas Western Inc
StatusCANCELLED
Style DesignatorOPEN WEDGE
Accommodated Material Diameter0.750 INCHES NOMINAL IN
Opening Width1.500 INCHES NOMINAL IN
Bolt Hole Diameter1.562 INCHES NOMINAL IN
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4030-00-249-2973 INTERCHANGEABLE
Socket,wire Rope
Cross-Reference Index
Part NumberManufacturer
S617D Lucas Western Inc (USA)
X06-29 Erie Strayer Co (USA)
X02-57 Erie Strayer Co (USA)
Related Parts
4030-00-249-2973INTERCHANGEABLE
SOCKET,WIRE ROPE

Frequently Asked Questions

What is NSN 4030-00-374-0256?

NSN 4030-00-374-0256 is a Socket,wire Rope, manufactured by Lucas Western Inc, classified under FSC 4030 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4030-00-374-0256?

NSN 4030-00-374-0256 has 3 cross-referenced part numbers: S617D (Lucas Western Inc), X06-29 (Erie Strayer Co), X02-57 (Erie Strayer Co).

What NSN replaces 4030-00-374-0256?

There is 1 known substitute for 4030-00-374-0256: 4030-00-249-2973. Verify interchangeability with system specifications before substitution.

What are the specifications of S617D?

Key specifications for S617D: Special Features: PIN FURNISHED; Style Designator: OPEN WEDGE; Accommodated Material Diameter: 0.750 INCHES NOMINAL IN; Opening Width: 1.500 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4030-00-374-0256 still in active supply?

NSN 4030-00-374-0256 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com