PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J3435Wrench,open End

The Stanley Works Dba Stanley Proto · NSN 5120-01-399-9904 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-399-9904 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-399-9904. Primary manufacturer part number: J3435.
Features
  • Wrench,open End — FSC 5120
  • Large End Head Angle: 15.0 DEGREES NOMINAL
  • Wrenching Surface Size: 0.688 INCHES NOMINAL FIRST END IN
  • Surface Treatment: CHROMIUM OVERALL
  • Small End Head Angle: 15.0 DEGREES NOMINAL
  • Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL
  • Style Designator: THIN DOUBLE HEAD
  • Wrenching Surface Size: 0.750 INCHES NOMINAL SECOND END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-01-399-9904, 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 8 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-399-9904
Primary Part NumberJ3435
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Stanley Works Dba Stanley Proto
StatusACTIVE
Large End Head Angle15.0 DEGREES NOMINAL
Wrenching Surface Size0.688 INCHES NOMINAL FIRST END IN
Surface TreatmentCHROMIUM OVERALL
Small End Head Angle15.0 DEGREES NOMINAL
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
Style DesignatorTHIN DOUBLE HEAD
Wrenching Surface Size0.750 INCHES NOMINAL SECOND END IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6250-00-185-07414365-001 INTERCHANGEABLE
Lampholder
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
5330-00-213-75093435 INTERCHANGEABLE
Seal,plain
Industrial Technologies and Services Llc
1730-00-331-56063435 INTERCHANGEABLE
Sling,compressor Ro
Rolls-Royce Corporation
6660-00-461-53521505910-4R INTERCHANGEABLE
Track,chassis
Jonathan Engineered Solutions Corp. Dba Jonathan Engineered Solutions
3030-00-528-4753 INTERCHANGEABLE
Belt,v
5340-00-862-39433-4-3-5 INTERCHANGEABLE
Clevis
Celtech Corporation Div Use CAGE 65552 for All Orders
3220-00-926-106133-890 INTERCHANGEABLE
Saw,radial Overarm,woodworking
Delta Intl Machinery Corp
5935-00-998-42673435 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5935-01-036-88483435-0000 INTERCHANGEABLE
Polarizing Key,electrical Connec
Drt Aerospace, Llc
5360-01-100-01783435 INTERCHANGEABLE
Spring,helical,compression
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
Cross-Reference Index
Part NumberManufacturer
3435 The Stanley Works Dba Stanley Proto (USA)
1ANN1 W.w. Grainger, Inc. Div Government Sales Division (USA)
J3435 PRIMARY The Stanley Works Dba Stanley Proto (USA)
Related Parts
6250-00-185-0741INTERCHANGEABLE
LAMPHOLDER
4365-001
5330-00-213-7509INTERCHANGEABLE
SEAL,PLAIN
3435
1730-00-331-5606INTERCHANGEABLE
SLING,COMPRESSOR RO
3435
6660-00-461-5352INTERCHANGEABLE
TRACK,CHASSIS
1505910-4R
3030-00-528-4753INTERCHANGEABLE
BELT,V
5340-00-862-3943INTERCHANGEABLE
CLEVIS
3-4-3-5
3220-00-926-1061INTERCHANGEABLE
SAW,RADIAL OVERARM,WOODWORKING
33-890
5935-00-998-4267INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3435
5935-01-036-8848INTERCHANGEABLE
POLARIZING KEY,ELECTRICAL CONNEC
3435-0000
5360-01-100-0178INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3435
5120-01-335-8120INTERCHANGEABLE
HANDLE,SOCKET WRENCH
5950-01-364-2621INTERCHANGEABLE
TRANSFORMER,POWER
3435

Frequently Asked Questions

What is NSN 5120-01-399-9904?

NSN 5120-01-399-9904 is a Wrench,open End, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-399-9904?

NSN 5120-01-399-9904 has 3 cross-referenced part numbers: 3435 (The Stanley Works Dba Stanley Proto), 1ANN1 (W.w. Grainger, Inc. Div Government Sales Division), J3435 (The Stanley Works Dba Stanley Proto).

What NSN replaces 5120-01-399-9904?

There are 12 known substitutes for 5120-01-399-9904: 6250-00-185-0741, 5330-00-213-7509, 1730-00-331-5606 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J3435?

Key specifications for J3435: Large End Head Angle: 15.0 DEGREES NOMINAL; Wrenching Surface Size: 0.688 INCHES NOMINAL FIRST END IN; Surface Treatment: CHROMIUM OVERALL; Small End Head Angle: 15.0 DEGREES NOMINAL. 9 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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