PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H22-49-339Wrench,open End

Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron · NSN 5120-00-184-8541 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-184-8541 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-184-8541. Primary manufacturer part number: H22-49-339.
Features
  • Wrench,open End — FSC 5120
  • Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL
  • Small End Head Angle: 15.0 DEGREES NOMINAL
  • Material: STEEL OVERALL
  • Large End Head Angle: 75.0 DEGREES MINIMUM AND 80.0 DEGREES MAXIMUM
  • Wrenching Surface Size: 0.438 INCHES NOMINAL BOTH ENDS IN
  • Style Designator: DOUBLE HEAD
  • Large End Head Thickness: 0.172 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-184-8541, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-184-8541
Primary Part NumberH22-49-339
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerChicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
StatusCANCELLED
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
Small End Head Angle15.0 DEGREES NOMINAL
MaterialSTEEL OVERALL
Large End Head Angle75.0 DEGREES MINIMUM AND 80.0 DEGREES MAXIMUM
Wrenching Surface Size0.438 INCHES NOMINAL BOTH ENDS IN
Style DesignatorDOUBLE HEAD
Large End Head Thickness0.172 INCHES MAXIMUM IN
Small End Head Thickness0.172 INCHES MAXIMUM IN
Surface TreatmentCHROMIUM AND OXIDE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5120-00-184-8447 INTERCHANGEABLE
Wrench,open End
5120-00-184-8448 INTERCHANGEABLE
Wrench,open End
5120-00-288-8215 INTERCHANGEABLE
Wrench,open End
5120-00-288-82161132 INTERCHANGEABLE
Wrench,open End
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5180-00-541-9030 INTERCHANGEABLE
Tool Kit,automotive Electrical
5120-00-596-1279964864 INTERCHANGEABLE
Wrench,open End
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5305-01-421-2041 INTERCHANGEABLE
Setscrew
Cross-Reference Index
Part NumberManufacturer
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
H22-49-339 PRIMARY Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
1128 Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
GGG-W-636 TY6ST2 General Services Administration Federal Supply Service (USA)
WMS 1128 Kipper Tool Company Dba Kipper Management Inc (USA)
9-217122 PRIMARY Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
Related Parts
5120-00-184-8447INTERCHANGEABLE
WRENCH,OPEN END
5120-00-184-8448INTERCHANGEABLE
WRENCH,OPEN END
5120-00-288-8215INTERCHANGEABLE
WRENCH,OPEN END
5120-00-288-8216INTERCHANGEABLE
WRENCH,OPEN END
1132
5180-00-541-9030INTERCHANGEABLE
TOOL KIT,AUTOMOTIVE ELECTRICAL
5120-00-596-1279INTERCHANGEABLE
WRENCH,OPEN END
964864
5305-01-421-2041INTERCHANGEABLE
SETSCREW

Frequently Asked Questions

What is NSN 5120-00-184-8541?

NSN 5120-00-184-8541 is a Wrench,open End, manufactured by Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-184-8541?

NSN 5120-00-184-8541 has 6 cross-referenced part numbers: GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC), H22-49-339 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 1128 (Trw Inc Hand Tools Div Trw Industrial Products Group), GGG-W-636 TY6ST2 (General Services Administration Federal Supply Service), WMS 1128 (Kipper Tool Company Dba Kipper Management Inc) and 1 more.

What NSN replaces 5120-00-184-8541?

There are 7 known substitutes for 5120-00-184-8541: 5120-00-184-8447, 5120-00-184-8448, 5120-00-288-8215 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H22-49-339?

Key specifications for H22-49-339: Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL; Overall Length: 4.000 INCHES MINIMUM IN; Small End Head Angle: 15.0 DEGREES NOMINAL; Material: STEEL OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-184-8541 still in active supply?

NSN 5120-00-184-8541 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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