PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4703Wrench,box

Jonard Industries Corporation Dba Jonard Tools · NSN 5120-00-212-4703 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-212-4703 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-212-4703. Primary manufacturer part number: 4703.
Features
  • Wrench,box — FSC 5120
  • 3 verified cross-references
  • Primary manufacturer: Jonard Industries Corporation Dba Jonard Tools
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Wrench,box, cataloged under National Stock Number 5120-00-212-4703, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Jonard Industries Corporation Dba Jonard Tools. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWrench,box
FSC / FSG5120 — No Item Name Available (FSG 51)
ManufacturersJonard Industries Corporation Dba Jonard Tools (CAGE 27596); At and T Corp (CAGE 70408); American Telephone and Telegraph Co (CAGE 64959)
Technical Specifications
ParameterValue
NSN5120-00-212-4703
Primary Part Number4703
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerJonard Industries Corporation Dba Jonard Tools
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-133-8694SM-C-537441-2 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2825-00-146-80904703 INTERCHANGEABLE
Shaft Assembly
Northrop Grumman Systems Corporation Div Marine Systems
5999-00-450-484847-03 INTERCHANGEABLE
Delay Line
Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil
5360-00-526-3862 INTERCHANGEABLE
Spring,helical,extension
3020-00-529-1615470-3 INTERCHANGEABLE
Link,roller Chain
Dana Off Highway Products, Llc
1680-00-678-40224703 INTERCHANGEABLE
Shaft Spacer,detail
B/e Aerospace Inc Dba Interturbine
4820-00-865-1998 INTERCHANGEABLE
Seat,valve
5360-01-230-63124703 INTERCHANGEABLE
Separator Spring
Mag Aerospace Industries, Llc Div Safran Cabins
4730-01-441-1233 INTERCHANGEABLE
Coupling,tube
5340-01-448-9475204300-0771-4703 INTERCHANGEABLE
Clamp,loop
International Machine & Tool Corporation
Cross-Reference Index
Part NumberManufacturer
4703 Jonard Industries Corporation Dba Jonard Tools (USA)
349 At and T Corp (USA)
349 American Telephone and Telegraph Co (USA)
Related Parts
5935-00-133-8694INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
SM-C-537441-2
2825-00-146-8090INTERCHANGEABLE
SHAFT ASSEMBLY
4703
5999-00-450-4848INTERCHANGEABLE
DELAY LINE
47-03
5360-00-526-3862INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
3020-00-529-1615INTERCHANGEABLE
LINK,ROLLER CHAIN
470-3
1680-00-678-4022INTERCHANGEABLE
SHAFT SPACER,DETAIL
4703
4820-00-865-1998INTERCHANGEABLE
SEAT,VALVE
5360-01-230-6312INTERCHANGEABLE
SEPARATOR SPRING
4703
4730-01-441-1233INTERCHANGEABLE
COUPLING,TUBE
5340-01-448-9475INTERCHANGEABLE
CLAMP,LOOP
204300-0771-4703
6760-01-461-5921INTERCHANGEABLE
FLASH,CAMERA,ELECTRONIC
6695-01-478-0018INTERCHANGEABLE
BEZEL,WINDOW MOUNTING
4703

Frequently Asked Questions

What is NSN 5120-00-212-4703?

NSN 5120-00-212-4703 is a Wrench,box, manufactured by Jonard Industries Corporation Dba Jonard Tools, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-212-4703?

NSN 5120-00-212-4703 has 3 cross-referenced part numbers: 4703 (Jonard Industries Corporation Dba Jonard Tools), 349 (At and T Corp), 349 (American Telephone and Telegraph Co).

What NSN replaces 5120-00-212-4703?

There are 12 known substitutes for 5120-00-212-4703: 5935-00-133-8694, 2825-00-146-8090, 5999-00-450-4848 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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