PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-W-636Wrench,open End

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5120-00-288-8215 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-288-8215 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-288-8215. Primary manufacturer part number: GGG-W-636.
Features
  • Wrench,open End — FSC 5120
  • Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL
  • Style Designator: DOUBLE HEAD
  • Surface Treatment: CHROMIUM AND OXIDE OVERALL
  • Large End Head Angle: 75.0 DEGREES MINIMUM AND 80.0 DEGREES MAXIMUM
  • Small End Head Angle: 15.0 DEGREES NOMINAL
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 0.625 INCHES NOMINAL BOTH ENDS IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-288-8215, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-288-8215
Primary Part NumberGGG-W-636
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
Style DesignatorDOUBLE HEAD
Surface TreatmentCHROMIUM AND OXIDE OVERALL
Large End Head Angle75.0 DEGREES MINIMUM AND 80.0 DEGREES MAXIMUM
Small End Head Angle15.0 DEGREES NOMINAL
MaterialSTEEL OVERALL
Wrenching Surface Size0.625 INCHES NOMINAL BOTH ENDS IN
Large End Head Thickness0.188 INCHES MAXIMUM IN
Small End Head Thickness0.188 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-151-914911-16BALLGRADE3 INTERCHANGEABLE
Ball,bearing
Skf Usa Inc.
5120-00-184-8447 INTERCHANGEABLE
Wrench,open End
5120-00-184-8448 INTERCHANGEABLE
Wrench,open End
5120-00-184-85419-217122 INTERCHANGEABLE
Wrench,open End
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
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
4310-00-657-679627920 INTERCHANGEABLE
Rod,brake
Hdt Expeditionary Systems Inc
2840-00-898-862228-790-3 INTERCHANGEABLE
Seal,metallic,aircraft Gas Turbi
Rexnord Industries, Llc Div Aerospace Solutions Downers Grove
5935-01-518-1345 INTERCHANGEABLE
Connector,plug,electrical
Cross-Reference Index
Part NumberManufacturer
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
27-920 Apex Tool Group, Llc Dba Nicholson (USA)
27-920 Armstrong Bros Tool Co (USA)
GGG-W-636 TY6ST2 General Services Administration Federal Supply Service (USA)
27-920 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
Related Parts
3110-00-151-9149INTERCHANGEABLE
BALL,BEARING
11-16BALLGRADE3
5120-00-184-8447INTERCHANGEABLE
WRENCH,OPEN END
5120-00-184-8448INTERCHANGEABLE
WRENCH,OPEN END
5120-00-184-8541INTERCHANGEABLE
WRENCH,OPEN END
9-217122
5120-00-288-8216INTERCHANGEABLE
WRENCH,OPEN END
1132
5180-00-541-9030INTERCHANGEABLE
TOOL KIT,AUTOMOTIVE ELECTRICAL
5120-00-596-1279INTERCHANGEABLE
WRENCH,OPEN END
964864
4310-00-657-6796INTERCHANGEABLE
ROD,BRAKE
27920
2840-00-898-8622INTERCHANGEABLE
SEAL,METALLIC,AIRCRAFT GAS TURBI
28-790-3
5935-01-518-1345INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5963-01-531-6665INTERCHANGEABLE
ELECTRONIC MODULE,STANDARDIZED
27920

Frequently Asked Questions

What is NSN 5120-00-288-8215?

NSN 5120-00-288-8215 is a Wrench,open End, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-288-8215?

NSN 5120-00-288-8215 has 5 cross-referenced part numbers: GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC), 27-920 (Apex Tool Group, Llc Dba Nicholson), 27-920 (Armstrong Bros Tool Co), GGG-W-636 TY6ST2 (General Services Administration Federal Supply Service), 27-920 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.).

What NSN replaces 5120-00-288-8215?

There are 11 known substitutes for 5120-00-288-8215: 3110-00-151-9149, 5120-00-184-8447, 5120-00-184-8448 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-W-636?

Key specifications for GGG-W-636: Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL; Style Designator: DOUBLE HEAD; Surface Treatment: CHROMIUM AND OXIDE OVERALL; Large End Head Angle: 75.0 DEGREES MINIMUM AND 80.0 DEGREES MAXIMUM. 10 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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