PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6728Adapter,turnbuckle,crowfoot Sock

Wta Tool Llc · NSN 5120-00-398-1425 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-398-1425 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-398-1425. Primary manufacturer part number: 6728.
Features
  • Adapter,turnbuckle,crowfoot Sock — FSC 5120
  • Opening Width: 0.531 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
  • Outside Diameter: 0.843 INCHES MINIMUM AND 0.907 INCHES MAXIMUM IN
  • Wrenching Surface Shape: ROUND SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM AND NICKEL AND OXIDE OVERALL
  • Nondefinitive Spec/std Data: 2 TYPE AND 2 CLASS AND B STYLE AND 161 ITEM
  • Style Designator: PIN
  • Wrenching Surface Size: 0.678 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Adapter,turnbuckle,crowfoot Sock, cataloged under National Stock Number 5120-00-398-1425, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Wta Tool Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-398-1425
Primary Part Number6728
Item NameAdapter,turnbuckle,crowfoot Sock
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWta Tool Llc
StatusCANCELLED
Opening Width0.531 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
Outside Diameter0.843 INCHES MINIMUM AND 0.907 INCHES MAXIMUM IN
Wrenching Surface ShapeROUND SINGLE END INTERNAL
Surface TreatmentCHROMIUM AND NICKEL AND OXIDE OVERALL
Nondefinitive Spec/std Data2 TYPE AND 2 CLASS AND B STYLE AND 161 ITEM
Style DesignatorPIN
Wrenching Surface Size0.678 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
4030-00-133-6376 INTERCHANGEABLE
Terminal,rope,swaging
1075-00-376-4475S8101-3182102 INTERCHANGEABLE
Connector,receptacl
Naval Ship Systems Command
5998-00-488-0776 INTERCHANGEABLE
Circuit Card Assembly
1680-00-691-4028 INTERCHANGEABLE
Lever Assembly,rele
5935-00-871-0387672-8GDF-50 INTERCHANGEABLE
Connector,receptacle,electrical
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation
5999-00-937-4277672-8 INTERCHANGEABLE
Clip,electrical
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
5940-01-229-6778 INTERCHANGEABLE
Marker Strip,terminal Board
6620-01-375-15326728 INTERCHANGEABLE
Converter,signal Data
Meggitt (orange County), Inc.
5962-01-395-9747 INTERCHANGEABLE
Microcircuit,digital
5355-01-513-69156728 INTERCHANGEABLE
Knob
Edro Corporation, the Dba Edro Corp
Cross-Reference Index
Part NumberManufacturer
6728 Granco Industries Inc (USA)
GGG-W-646 TY2CL2STBTM161 General Services Administration Federal Supply Service (USA)
GGG-W-646 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GIT-6728 Granco Industries Inc (USA)
500TBA Ingersoll-Rand Co Proto Tool Div Tool Group Headquarters (USA)
6728 PRIMARY Wta Tool Llc (USA)
Related Parts
4030-00-133-6376INTERCHANGEABLE
TERMINAL,ROPE,SWAGING
1075-00-376-4475INTERCHANGEABLE
CONNECTOR,RECEPTACL
S8101-3182102
5998-00-488-0776INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
1680-00-691-4028INTERCHANGEABLE
LEVER ASSEMBLY,RELE
5935-00-871-0387INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
672-8GDF-50
5999-00-937-4277INTERCHANGEABLE
CLIP,ELECTRICAL
672-8
5940-01-229-6778INTERCHANGEABLE
MARKER STRIP,TERMINAL BOARD
6620-01-375-1532INTERCHANGEABLE
CONVERTER,SIGNAL DATA
6728
5962-01-395-9747INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5355-01-513-6915INTERCHANGEABLE
KNOB
6728
7025-01-659-7940INTERCHANGEABLE
DISPLAY UNIT

Frequently Asked Questions

What is NSN 5120-00-398-1425?

NSN 5120-00-398-1425 is a Adapter,turnbuckle,crowfoot Sock, manufactured by Wta Tool Llc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-398-1425?

NSN 5120-00-398-1425 has 6 cross-referenced part numbers: 6728 (Granco Industries Inc), GGG-W-646 TY2CL2STBTM161 (General Services Administration Federal Supply Service), GGG-W-646 (Federal Specifications Promulgated by General Services Administration Washington DC), GIT-6728 (Granco Industries Inc), 500TBA (Ingersoll-Rand Co Proto Tool Div Tool Group Headquarters) and 1 more.

What NSN replaces 5120-00-398-1425?

There are 11 known substitutes for 5120-00-398-1425: 4030-00-133-6376, 1075-00-376-4475, 5998-00-488-0776 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6728?

Key specifications for 6728: Opening Width: 0.531 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN; Overall Length: 0.948 INCHES MINIMUM AND 1.012 INCHES MAXIMUM IN; Outside Diameter: 0.843 INCHES MINIMUM AND 0.907 INCHES MAXIMUM IN; Wrenching Surface Shape: ROUND SINGLE END INTERNAL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-398-1425 still in active supply?

NSN 5120-00-398-1425 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.
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