PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1230Wrench,open End

Bonney Forge Corp · NSN 5120-00-203-4813 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-203-4813 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-203-4813. Primary manufacturer part number: 1230.
Features
  • Wrench,open End — FSC 5120
  • Surface Treatment: NICKEL AND CHROMIUM OVERALL
  • Head Angle: 30.0 DEGREES NOMINAL
  • Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
  • Wrenching Surface Size: 0.938 INCHES NOMINAL SINGLE END IN
  • Torque Capacity: 1000.0 INCH-POUNDS MINIMUM IN
  • Material: STEEL OVERALL
  • Style Designator: SINGLE HEAD
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-203-4813, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Bonney Forge Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 10 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
NSN5120-00-203-4813
Primary Part Number1230
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerBonney Forge Corp
StatusCANCELLED
Surface TreatmentNICKEL AND CHROMIUM OVERALL
Head Angle30.0 DEGREES NOMINAL
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Wrenching Surface Size0.938 INCHES NOMINAL SINGLE END IN
Torque Capacity1000.0 INCH-POUNDS MINIMUM IN
MaterialSTEEL OVERALL
Style DesignatorSINGLE HEAD
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Hardness Rating40.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM
Head Thickness0.250 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5331-00-162-5963F37030-258 INTERCHANGEABLE
O-Ring
Funk Mfg Co Sub of Deere and Co
4520-00-327-213828030-002 INTERCHANGEABLE
Heating Element,electrical,nonim
Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company
7050-00-986-2374 INTERCHANGEABLE
Housing,driver
4820-01-121-753228030 INTERCHANGEABLE
Valve,flow Control
Forenta Lp
5330-01-394-093128030 INTERCHANGEABLE
Gasket
Andrew Llc
5999-01-412-316928030 INTERCHANGEABLE
Connector-Switch Assembly
Astrocom Electronics Inc
4820-01-417-949528S-FS2 .75 IN INTERCHANGEABLE
Valve,globe
Newmans Inc New Jersey Div
5330-01-572-494028S-FS2-SC-.75IN IT4-55 INTERCHANGEABLE
Gasket
Newmans Inc New Jersey Div
5330-01-572-498528S-FS2-SC-.75IN IT8-55 INTERCHANGEABLE
Packing Assembly
Newmans Inc New Jersey Div
6145-01-617-655228030 INTERCHANGEABLE
Cable,special Purpose,electrical
Cables to Go
Cross-Reference Index
Part NumberManufacturer
1230 Bonney Forge Corp (USA)
1430 Wright Tool Co (USA)
A-A-1353 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
28-030 Armstrong Bros Tool Co (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GGG-W-636 TY17CL3 General Services Administration Federal Supply Service (USA)
28-030 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
28-030 Apex Tool Group, Llc Dba Nicholson (USA)
1230 Martin Sprocket and Gear Inc (USA)
1230 Utica Tool Co Inc (USA)
Related Parts
5331-00-162-5963INTERCHANGEABLE
O-RING
F37030-258
4520-00-327-2138INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
28030-002
7050-00-986-2374INTERCHANGEABLE
HOUSING,DRIVER
4820-01-121-7532INTERCHANGEABLE
VALVE,FLOW CONTROL
28030
5330-01-394-0931INTERCHANGEABLE
GASKET
28030
5999-01-412-3169INTERCHANGEABLE
CONNECTOR-SWITCH ASSEMBLY
28030
4820-01-417-9495INTERCHANGEABLE
VALVE,GLOBE
28S-FS2 .75 IN
5330-01-572-4940INTERCHANGEABLE
GASKET
28S-FS2-SC-.75IN IT4-55
5330-01-572-4985INTERCHANGEABLE
PACKING ASSEMBLY
28S-FS2-SC-.75IN IT8-55
6145-01-617-6552INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
28030
5836-01-650-1695INTERCHANGEABLE
RECORDER,VIDEO
28-030

Frequently Asked Questions

What is NSN 5120-00-203-4813?

NSN 5120-00-203-4813 is a Wrench,open End, manufactured by Bonney Forge Corp, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-203-4813?

NSN 5120-00-203-4813 has 10 cross-referenced part numbers: 1230 (Bonney Forge Corp), 1430 (Wright Tool Co), A-A-1353 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 28-030 (Armstrong Bros Tool Co), GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC) and 5 more.

What NSN replaces 5120-00-203-4813?

There are 11 known substitutes for 5120-00-203-4813: 5331-00-162-5963, 4520-00-327-2138, 7050-00-986-2374 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1230?

Key specifications for 1230: Surface Treatment: NICKEL AND CHROMIUM OVERALL; Head Angle: 30.0 DEGREES NOMINAL; Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT; Wrenching Surface Size: 0.938 INCHES NOMINAL SINGLE END IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-203-4813 still in active supply?

NSN 5120-00-203-4813 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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