PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J4056-6Jaw,mechanical Puller

The Stanley Works Dba Stanley Proto · NSN 5120-01-486-2131 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-486-2131 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-486-2131. Primary manufacturer part number: J4056-6.
Features
  • Jaw,mechanical Puller — FSC 5120
  • General Characteristics Item Description: REVERSIBLE TYPE; 6 IN. REACH IN
  • 5 verified cross-references
  • Primary manufacturer: The Stanley Works Dba Stanley Proto
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Jaw,mechanical Puller, cataloged under National Stock Number 5120-01-486-2131, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-486-2131
Primary Part NumberJ4056-6
Item NameJaw,mechanical Puller
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Stanley Works Dba Stanley Proto
StatusCANCELLED
General Characteristics Item DescriptionREVERSIBLE TYPE; 6 IN. REACH IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5815-00-054-2746 INTERCHANGEABLE
Teletypewriter Subassembly
3110-00-100-3529 INTERCHANGEABLE
Cone and Rollers,tapered Roller
3455-00-189-916611900 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
2910-00-215-5045 INTERCHANGEABLE
Parts Kit,engine Fuel Pump
5330-00-599-5254 INTERCHANGEABLE
Seal,plain Encased
5905-00-840-214140566 INTERCHANGEABLE
Resistor,variable,wire Wound,non
General Dynamics Motion Control Llc
4720-01-539-718940566 INTERCHANGEABLE
Hose,air Duct
Hdt Expeditionary Systems Inc
Cross-Reference Index
Part NumberManufacturer
1Q576 W.w. Grainger, Inc. Div Government Sales Division (USA)
ZHVY0354-7 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
4056-6 The Stanley Works Dba Stanley Proto (USA)
ZLW0366-7 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
J4056-6 PRIMARY The Stanley Works Dba Stanley Proto (USA)
Related Parts
5815-00-054-2746INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
3110-00-100-3529INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3455-00-189-9166INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11900
2910-00-215-5045INTERCHANGEABLE
PARTS KIT,ENGINE FUEL PUMP
5330-00-599-5254INTERCHANGEABLE
SEAL,PLAIN ENCASED
5905-00-840-2141INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
40566
4720-01-539-7189INTERCHANGEABLE
HOSE,AIR DUCT
40566

Frequently Asked Questions

What is NSN 5120-01-486-2131?

NSN 5120-01-486-2131 is a Jaw,mechanical Puller, 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 5120-01-486-2131?

NSN 5120-01-486-2131 has 5 cross-referenced part numbers: 1Q576 (W.w. Grainger, Inc. Div Government Sales Division), ZHVY0354-7 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 4056-6 (The Stanley Works Dba Stanley Proto), ZLW0366-7 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), J4056-6 (The Stanley Works Dba Stanley Proto).

What NSN replaces 5120-01-486-2131?

There are 7 known substitutes for 5120-01-486-2131: 5815-00-054-2746, 3110-00-100-3529, 3455-00-189-9166 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J4056-6?

Key specifications for J4056-6: Overall Length: 7.0 INCHES NOMINAL IN; General Characteristics Item Description: REVERSIBLE TYPE; 6 IN. REACH IN; End Item Identification: STANLEY-PROTO 6-TON PULLERS; Overall Width: 1.0 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-486-2131 still in active supply?

NSN 5120-01-486-2131 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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