PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28-046Wrench,open End

Armstrong Bros Tool Co · NSN 5120-00-203-4805 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-203-4805 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-203-4805. Primary manufacturer part number: 28-046.
Features
  • Wrench,open End — FSC 5120
  • Head Angle: 30.0 DEGREES NOMINAL
  • Style Designator: SINGLE HEAD
  • Wrenching Surface Size: 1.438 INCHES NOMINAL SINGLE END IN
  • Head Thickness: 0.281 INCHES MAXIMUM IN
  • Surface Treatment: NICKEL AND CHROMIUM OVERALL
  • Wrenching Surface Shape: OVAL SINGLE END INTERNAL
  • Torque Capacity: 1500.0 INCH-POUNDS MINIMUM IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-203-4805, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Armstrong Bros Tool Co. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-203-4805
Primary Part Number28-046
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerArmstrong Bros Tool Co
StatusCANCELLED
Head Angle30.0 DEGREES NOMINAL
Style DesignatorSINGLE HEAD
Wrenching Surface Size1.438 INCHES NOMINAL SINGLE END IN
Head Thickness0.281 INCHES MAXIMUM IN
Surface TreatmentNICKEL AND CHROMIUM OVERALL
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Torque Capacity1500.0 INCH-POUNDS MINIMUM IN
MaterialSTEEL OVERALL
Hardness Rating40.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
6640-00-495-8008 INTERCHANGEABLE
Hood,fume,laboratory
5315-00-780-696528046 INTERCHANGEABLE
Pin,shoulder,headless
Defense & Development Enterprises Llc
5360-00-808-5675AF43B INTERCHANGEABLE
Spring,helical,compression
Wisconsin Motors, Llc
5950-01-009-9863 INTERCHANGEABLE
Coil,radio Frequency
1680-01-422-5247 INTERCHANGEABLE
Level Wind Follower
Cross-Reference Index
Part NumberManufacturer
28-046 Armstrong Bros Tool Co (USA)
28-046 Apex Tool Group, Llc Dba Nicholson (USA)
A-A-1353 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
1246 Utica Tool Co Inc (USA)
GGG-W-636 TY17CL3 General Services Administration Federal Supply Service (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
28-046 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
Related Parts
6640-00-495-8008INTERCHANGEABLE
HOOD,FUME,LABORATORY
5315-00-780-6965INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
28046
5360-00-808-5675INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
AF43B
5950-01-009-9863INTERCHANGEABLE
COIL,RADIO FREQUENCY
1680-01-422-5247INTERCHANGEABLE
LEVEL WIND FOLLOWER

Frequently Asked Questions

What is NSN 5120-00-203-4805?

NSN 5120-00-203-4805 is a Wrench,open End, manufactured by Armstrong Bros Tool Co, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-203-4805?

NSN 5120-00-203-4805 has 7 cross-referenced part numbers: 28-046 (Armstrong Bros Tool Co), 28-046 (Apex Tool Group, Llc Dba Nicholson), A-A-1353 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 1246 (Utica Tool Co Inc), GGG-W-636 TY17CL3 (General Services Administration Federal Supply Service) and 2 more.

What NSN replaces 5120-00-203-4805?

There are 5 known substitutes for 5120-00-203-4805: 6640-00-495-8008, 5315-00-780-6965, 5360-00-808-5675 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28-046?

Key specifications for 28-046: Head Angle: 30.0 DEGREES NOMINAL; Style Designator: SINGLE HEAD; Special Features: FORGED STEEL; Wrenching Surface Size: 1.438 INCHES NOMINAL SINGLE END IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-203-4805 still in active supply?

NSN 5120-00-203-4805 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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