PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST00188-35Wrench,open End

Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company · NSN 5120-00-184-8572 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-184-8572 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-184-8572. Primary manufacturer part number: ST00188-35.
Features
  • Wrench,open End — FSC 5120
  • Offset Height: 0.188 INCHES NOMINAL IN
  • Large End Head Thickness: 0.250 INCHES NOMINAL IN
  • Small End Head Thickness: 0.250 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: 1 TYPE
  • Wrenching Surface Size: 2.500 INCHES NOMINAL SECOND END IN
  • Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-184-8572, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 8 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
NSN5120-00-184-8572
Primary Part NumberST00188-35
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Aeronautics Company
StatusCANCELLED
Offset Height0.188 INCHES NOMINAL IN
Large End Head Thickness0.250 INCHES NOMINAL IN
Small End Head Thickness0.250 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data1 TYPE
Wrenching Surface Size2.500 INCHES NOMINAL SECOND END IN
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
Specification/standard Data05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorTHIN DOUBLE HEAD, DOUBLE OFFSET BOTH ENDS
Large End Head Angle15.0 DEGREES NOMINAL
Wrenching Surface Size2.438 INCHES NOMINAL FIRST END IN
Surface TreatmentNICKEL AND CHROMIUM OVERALL
Small End Head Angle15.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5120-00-184-8560 INTERCHANGEABLE
Wrench,open End
5120-00-184-8563 INTERCHANGEABLE
Wrench,open End
5120-00-184-8565K35521 INTERCHANGEABLE
Wrench,open End
The Boeing Company
5120-01-428-8247 INTERCHANGEABLE
Wrench,open End
5120-01-428-8284 INTERCHANGEABLE
Wrench,open End
Cross-Reference Index
Part NumberManufacturer
B107.100 The American Society of Mechanical Engineers (USA)
AN8505-35 Aeronautical Standards Group Dept of Navy and Air Force (USA)
B107.39 TY1CL2 General Services Administration Federal Supply Service (USA)
GGG-W-636 TY15 General Services Administration Federal Supply Service (USA)
B107.100 CAT 39 TY1CL2 General Services Administration Federal Supply Service (USA)
B107.100 CAT 39 TY1 General Services Administration Federal Supply Service (USA)
A-A-1351 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
B107.39 The American Society of Mechanical Engineers (USA)
GGG-W-636E Van Eyle & Ruygers Schwartz B.v. (NLD)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
ST00188-35 PRIMARY Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
S20135 Lockheed Martin Corp (USA)
Related Parts
5120-00-184-8560INTERCHANGEABLE
WRENCH,OPEN END
5120-00-184-8563INTERCHANGEABLE
WRENCH,OPEN END
5120-00-184-8565INTERCHANGEABLE
WRENCH,OPEN END
K35521
5120-01-428-8247INTERCHANGEABLE
WRENCH,OPEN END
5120-01-428-8284INTERCHANGEABLE
WRENCH,OPEN END

Frequently Asked Questions

What is NSN 5120-00-184-8572?

NSN 5120-00-184-8572 is a Wrench,open End, manufactured by Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-184-8572?

NSN 5120-00-184-8572 has 12 cross-referenced part numbers: B107.100 (The American Society of Mechanical Engineers), AN8505-35 (Aeronautical Standards Group Dept of Navy and Air Force), B107.39 TY1CL2 (General Services Administration Federal Supply Service), GGG-W-636 TY15 (General Services Administration Federal Supply Service), B107.100 CAT 39 TY1CL2 (General Services Administration Federal Supply Service) and 7 more.

What NSN replaces 5120-00-184-8572?

There are 5 known substitutes for 5120-00-184-8572: 5120-00-184-8560, 5120-00-184-8563, 5120-00-184-8565 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ST00188-35?

Key specifications for ST00188-35: Offset Height: 0.188 INCHES NOMINAL IN; Large End Head Thickness: 0.250 INCHES NOMINAL IN; Small End Head Thickness: 0.250 INCHES NOMINAL IN; Material: STEEL OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-184-8572 still in active supply?

NSN 5120-00-184-8572 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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