PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J191Pliers,wire Twister

The Stanley Works Dba Stanley Proto · NSN 5120-01-590-8688 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-590-8688 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-590-8688. Primary manufacturer part number: J191.
Features
  • Pliers,wire Twister — FSC 5120
  • Unit Type: AUTOMATIC SPRING RETURN
  • Wire Diameter Capacity: 0.020 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
  • Wire Twist Direction: RIGHT-HAND
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE
  • Specification/standard Data: 05047-ASME B107.500 CAT 18 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • 12 verified cross-references
  • Primary manufacturer: The Stanley Works Dba Stanley Proto
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
General Description

The Pliers,wire Twister, cataloged under National Stock Number 5120-01-590-8688, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The Stanley Works Dba Stanley Proto. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-590-8688
Primary Part NumberJ191
Item NamePliers,wire Twister
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Stanley Works Dba Stanley Proto
StatusCANCELLED
Unit TypeAUTOMATIC SPRING RETURN
Wire Diameter Capacity0.020 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
Wire Twist DirectionRIGHT-HAND
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Specification/standard Data05047-ASME B107.500 CAT 18 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-305-2306 INTERCHANGEABLE
Pliers,wire Twister
3040-00-441-2628J191 INTERCHANGEABLE
Shaft,shouldered
Circor Naval Solutions Llc Dba Warren Pumps
5120-00-542-4171 INTERCHANGEABLE
Pliers,wire Twister
5120-01-112-5031 INTERCHANGEABLE
Pliers,wire Twister
5915-01-184-6270 INTERCHANGEABLE
Filter,low Pass
5120-01-191-9399 INTERCHANGEABLE
Pliers,wire Twister
5120-01-307-5143 INTERCHANGEABLE
Pliers,wire Twister
5120-01-426-1115 INTERCHANGEABLE
Pliers,wire Twister
5120-01-429-8146 INTERCHANGEABLE
Pliers,wire Twister
5120-01-429-8153 INTERCHANGEABLE
Pliers,wire Twister
Cross-Reference Index
Part NumberManufacturer
J191 Henchman Group Pty Ltd the Trustee for Henchman Unit Trust (AUS)
J191 Henchman Products Pty Ltd (AUS)
J191 Hanwha Defense Australia Pty Ltd (AUS)
3R178 W.w. Grainger, Inc. Div Government Sales Division (USA)
10417176 Nimikkeistokeskus Ncb Finland (FIN)
STP 191 Kipper Tool Company Dba Kipper Management Inc (USA)
J191 PRIMARY The Stanley Works Dba Stanley Proto (USA)
B107.500 The American Society of Mechanical Engineers (USA)
B107.18 TY1CL1STA General Services Administration Federal Supply Service (USA)
B107.500 CAT 18 TY1CL1STA General Services Administration Federal Supply Service (USA)
191 The Stanley Works Dba Stanley Proto (USA)
B107.18 The American Society of Mechanical Engineers (USA)
Related Parts
5120-00-305-2306INTERCHANGEABLE
PLIERS,WIRE TWISTER
3040-00-441-2628INTERCHANGEABLE
SHAFT,SHOULDERED
J191
5120-00-542-4171INTERCHANGEABLE
PLIERS,WIRE TWISTER
5120-01-112-5031INTERCHANGEABLE
PLIERS,WIRE TWISTER
5915-01-184-6270INTERCHANGEABLE
FILTER,LOW PASS
5120-01-191-9399INTERCHANGEABLE
PLIERS,WIRE TWISTER
5120-01-307-5143INTERCHANGEABLE
PLIERS,WIRE TWISTER
5120-01-426-1115INTERCHANGEABLE
PLIERS,WIRE TWISTER
5120-01-429-8146INTERCHANGEABLE
PLIERS,WIRE TWISTER
5120-01-429-8153INTERCHANGEABLE
PLIERS,WIRE TWISTER
5120-01-430-6569INTERCHANGEABLE
PLIERS SET,WIRE TWISTER
J194
5120-01-431-1940INTERCHANGEABLE
PLIERS,WIRE TWISTER

Frequently Asked Questions

What is NSN 5120-01-590-8688?

NSN 5120-01-590-8688 is a Pliers,wire Twister, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-590-8688?

NSN 5120-01-590-8688 has 12 cross-referenced part numbers: J191 (Henchman Group Pty Ltd the Trustee for Henchman Unit Trust), J191 (Henchman Products Pty Ltd), J191 (Hanwha Defense Australia Pty Ltd), 3R178 (W.w. Grainger, Inc. Div Government Sales Division), 10417176 (Nimikkeistokeskus Ncb Finland) and 7 more.

What NSN replaces 5120-01-590-8688?

There are 12 known substitutes for 5120-01-590-8688: 5120-00-305-2306, 3040-00-441-2628, 5120-00-542-4171 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J191?

Key specifications for J191: Unit Type: AUTOMATIC SPRING RETURN; Wire Diameter Capacity: 0.020 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Wire Twist Direction: RIGHT-HAND; Overall Length: 10.375 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-590-8688 still in active supply?

NSN 5120-01-590-8688 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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