PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28-032Wrench,open End

Apex Tool Group, Llc Dba Nicholson · NSN 5120-00-203-4812 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-203-4812 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-203-4812. Primary manufacturer part number: 28-032.
Features
  • Wrench,open End — FSC 5120
  • Wrenching Surface Size: 1.000 INCHES NOMINAL SINGLE END IN
  • Style Designator: SINGLE HEAD
  • Torque Capacity: 1000.0 INCH-POUNDS MINIMUM IN
  • Surface Treatment: NICKEL AND CHROMIUM OVERALL
  • Material: STEEL OVERALL
  • Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM
  • Head Angle: 30.0 DEGREES NOMINAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-203-4812, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Apex Tool Group, Llc Dba Nicholson. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 13 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
NSN5120-00-203-4812
Primary Part Number28-032
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerApex Tool Group, Llc Dba Nicholson
StatusCANCELLED
Wrenching Surface Size1.000 INCHES NOMINAL SINGLE END IN
Style DesignatorSINGLE HEAD
Torque Capacity1000.0 INCH-POUNDS MINIMUM IN
Surface TreatmentNICKEL AND CHROMIUM OVERALL
MaterialSTEEL OVERALL
Hardness Rating40.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM
Head Angle30.0 DEGREES NOMINAL
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Head Thickness0.250 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5999-00-233-0282 INTERCHANGEABLE
Contact,electrical
3455-00-240-4846 INTERCHANGEABLE
Blade,band Saw,metal Cutting
5330-00-270-8467 INTERCHANGEABLE
Paper,gasket
5306-00-298-2375 INTERCHANGEABLE
Bolt,machine
5360-00-308-755128032 INTERCHANGEABLE
Spring,helical,compression
Parker-Hannifin Corporation
5999-00-321-4856143-2 INTERCHANGEABLE
Contact,electrical
Itt Cannon Llc
4820-00-468-09231432 INTERCHANGEABLE
Disk,valve
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5950-00-496-1518 INTERCHANGEABLE
Coil,radio Frequency
5340-00-511-7613143-2 INTERCHANGEABLE
Washer
Emhart Industries Inc Corbin Cabinet Lock Hardware Div
5996-00-559-97183721A INTERCHANGEABLE
Amplifier,magnetic
Spang & Company Dba Magnetics Division
Cross-Reference Index
Part NumberManufacturer
28-032 Apex Tool Group, Llc Dba Nicholson (USA)
1432 Wright Tool Company, Llc (USA)
28-032 Satair A/s (DNK)
22532 Utica Tool Co Inc (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
1232 Utica Tool Co Inc (USA)
975B050H01 Northrop Grumman Systems Corporation Dba Electronic Systems (USA)
28-032 Armstrong Bros Tool Co (USA)
28-032 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
811-00531 Fxc Corporation Dba Fxc Corp (USA)
GGG-W-636 TY17CL3 General Services Administration Federal Supply Service (USA)
1232 Martin Sprocket and Gear Inc (USA)
A-A-1353 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
1232 Bonney Forge Corp (USA)
Related Parts
5999-00-233-0282INTERCHANGEABLE
CONTACT,ELECTRICAL
3455-00-240-4846INTERCHANGEABLE
BLADE,BAND SAW,METAL CUTTING
5330-00-270-8467INTERCHANGEABLE
PAPER,GASKET
5306-00-298-2375INTERCHANGEABLE
BOLT,MACHINE
5360-00-308-7551INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
28032
5999-00-321-4856INTERCHANGEABLE
CONTACT,ELECTRICAL
143-2
4820-00-468-0923INTERCHANGEABLE
DISK,VALVE
1432
5950-00-496-1518INTERCHANGEABLE
COIL,RADIO FREQUENCY
5340-00-511-7613INTERCHANGEABLE
WASHER
143-2
5996-00-559-9718INTERCHANGEABLE
AMPLIFIER,MAGNETIC
3721A
5940-00-581-7899INTERCHANGEABLE
TERMINAL,LUG
263-093
6505-00-619-7929INTERCHANGEABLE
METHYLTESTOSTERONE TABLETS
1432

Frequently Asked Questions

What is NSN 5120-00-203-4812?

NSN 5120-00-203-4812 is a Wrench,open End, manufactured by Apex Tool Group, Llc Dba Nicholson, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-203-4812?

NSN 5120-00-203-4812 has 14 cross-referenced part numbers: 28-032 (Apex Tool Group, Llc Dba Nicholson), 1432 (Wright Tool Company, Llc), 28-032 (Satair A/s), 22532 (Utica Tool Co Inc), GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC) and 9 more.

What NSN replaces 5120-00-203-4812?

There are 12 known substitutes for 5120-00-203-4812: 5999-00-233-0282, 3455-00-240-4846, 5330-00-270-8467 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28-032?

Key specifications for 28-032: Overall Length: 6.875 INCHES MINIMUM IN; Wrenching Surface Size: 1.000 INCHES NOMINAL SINGLE END IN; Style Designator: SINGLE HEAD; Torque Capacity: 1000.0 INCH-POUNDS MINIMUM IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-203-4812 still in active supply?

NSN 5120-00-203-4812 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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