PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52-222Wrench,box and Open End,combinat

Apex Tool Group, Llc Dba Nicholson · NSN 5120-01-581-3293 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-581-3293 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-581-3293. Primary manufacturer part number: 52-222.
Features
  • Wrench,box and Open End,combinat — FSC 5120
  • Specification/standard Data: 81343-SAE AS955 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: 12 POINT SECOND END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Head Angle: 15.0 DEGREES NOMINAL
  • Features Provided: FULL POLISH
  • Wrenching End Offset Angle: 15.0 DEGREES NOMINAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-581-3293, 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 11 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-581-3293
Primary Part Number52-222
Item NameWrench,box and Open End,combinat
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerApex Tool Group, Llc Dba Nicholson
StatusACTIVE
Specification/standard Data81343-SAE AS955 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Wrenching Surface Shape12 POINT SECOND END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Head Angle15.0 DEGREES NOMINAL
Features ProvidedFULL POLISH
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Style DesignatorOFFSET
Wrenching Surface Size22.0 MILLIMETERS NOMINAL BOTH ENDS MM
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND C STYLE
Wrenching Surface ShapeOVAL FIRST END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-493-115652222 INTERCHANGEABLE
Coil,radio Frequency
Vanguard Electronics, Llc
3455-00-517-555458-10138 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
3120-00-871-6088101-0359 INTERCHANGEABLE
Bearing,sleeve
Cummins Power Generation Inc.
5130-01-208-775852222 INTERCHANGEABLE
Bit,wire Wrapping Tool
Standard Pneumatic Motor Co
7021-01-369-0562 INTERCHANGEABLE
Computer Subassembly
5120-01-430-4496 INTERCHANGEABLE
Wrench Set,socket
Cross-Reference Index
Part NumberManufacturer
52-222 Apex Tool Group, Llc Dba Nicholson (USA)
AS955 Sae International Dba Sae International (USA)
AS955 TY3CL1STC General Services Administration Federal Supply Service (USA)
52-222 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
52-222 Armstrong Bros Tool Co (USA)
456720011307 Ncb Hungary (honvedsegi Egyseges Termekkod) (HUN)
AS955 Society of Automotive Engineers Inc (USA)
Related Parts
5950-00-493-1156INTERCHANGEABLE
COIL,RADIO FREQUENCY
52222
3455-00-517-5554INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10138
3120-00-871-6088INTERCHANGEABLE
BEARING,SLEEVE
101-0359
5130-01-208-7758INTERCHANGEABLE
BIT,WIRE WRAPPING TOOL
52222
7021-01-369-0562INTERCHANGEABLE
COMPUTER SUBASSEMBLY
5120-01-430-4496INTERCHANGEABLE
WRENCH SET,SOCKET

Frequently Asked Questions

What is NSN 5120-01-581-3293?

NSN 5120-01-581-3293 is a Wrench,box and Open End,combinat, manufactured by Apex Tool Group, Llc Dba Nicholson, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-581-3293?

NSN 5120-01-581-3293 has 7 cross-referenced part numbers: 52-222 (Apex Tool Group, Llc Dba Nicholson), AS955 (Sae International Dba Sae International), AS955 TY3CL1STC (General Services Administration Federal Supply Service), 52-222 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 52-222 (Armstrong Bros Tool Co) and 2 more.

What NSN replaces 5120-01-581-3293?

There are 6 known substitutes for 5120-01-581-3293: 5950-00-493-1156, 3455-00-517-5554, 3120-00-871-6088 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52-222?

Key specifications for 52-222: Specification/standard Data: 81343-SAE AS955 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Material: STEEL OVERALL; Wrenching Surface Shape: 12 POINT SECOND END INTERNAL; Surface Treatment: CHROMIUM OVERALL. 12 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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