PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-W-636 TY1CL1ST1Wrench,box

General Services Administration Federal Supply Service · NSN 5120-00-277-3366 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-277-3366 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-277-3366. Primary manufacturer part number: GGG-W-636 TY1CL1ST1.
Features
  • Wrench,box — FSC 5120
  • Large End Head Thickness: 0.531 INCHES MAXIMUM IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND 1 STYLE
  • Wrenching Surface Size: 0.781 INCHES NOMINAL SECOND END IN
  • Wrenching End Offset Angle: 15.0 DEGREES NOMINAL
  • Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL
  • Small End Outside Diameter: 1.062 INCHES MAXIMUM IN
  • Wrenching Surface Size: 0.688 INCHES NOMINAL FIRST END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box, cataloged under National Stock Number 5120-00-277-3366, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-277-3366
Primary Part NumberGGG-W-636 TY1CL1ST1
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Large End Head Thickness0.531 INCHES MAXIMUM IN
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND 1 STYLE
Wrenching Surface Size0.781 INCHES NOMINAL SECOND END IN
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Wrenching Surface Shape12 POINT BOTH ENDS INTERNAL
Small End Outside Diameter1.062 INCHES MAXIMUM IN
Wrenching Surface Size0.688 INCHES NOMINAL FIRST END IN
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Style DesignatorSHALLOW ANGULAR OFFSET DOUBLE HEAD
Small End Head Thickness0.469 INCHES MAXIMUM IN
Special MarkingsWRENCH SIZE
Large End Outside Diameter1.188 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5120-00-224-3149XD1922 INTERCHANGEABLE
Wrench,box
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-00-224-3150XV2526 INTERCHANGEABLE
Wrench,box
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-00-277-1439 INTERCHANGEABLE
Wrench,box
5120-00-277-1589 INTERCHANGEABLE
Wrench,box
5120-00-277-1590 INTERCHANGEABLE
Wrench,box
5120-00-277-1593 INTERCHANGEABLE
Wrench,box
5120-00-277-1594 INTERCHANGEABLE
Wrench,box
5120-00-277-3363 INTERCHANGEABLE
Wrench,box
5120-01-024-6379 INTERCHANGEABLE
Wrench,box
5120-01-025-4506 INTERCHANGEABLE
Wrench,box
Cross-Reference Index
Part NumberManufacturer
GGG-W-636 TY1CL1ST1 General Services Administration Federal Supply Service (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
2893A Bonney Forge Corp (USA)
Related Parts
5120-00-224-3149INTERCHANGEABLE
WRENCH,BOX
XD1922
5120-00-224-3150INTERCHANGEABLE
WRENCH,BOX
XV2526
5120-00-277-1439INTERCHANGEABLE
WRENCH,BOX
5120-00-277-1589INTERCHANGEABLE
WRENCH,BOX
5120-00-277-1590INTERCHANGEABLE
WRENCH,BOX
5120-00-277-1593INTERCHANGEABLE
WRENCH,BOX
5120-00-277-1594INTERCHANGEABLE
WRENCH,BOX
5120-00-277-3363INTERCHANGEABLE
WRENCH,BOX
5120-01-024-6379INTERCHANGEABLE
WRENCH,BOX
5120-01-025-4506INTERCHANGEABLE
WRENCH,BOX
5120-01-025-4507INTERCHANGEABLE
WRENCH,BOX

Frequently Asked Questions

What is NSN 5120-00-277-3366?

NSN 5120-00-277-3366 is a Wrench,box, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-277-3366?

NSN 5120-00-277-3366 has 3 cross-referenced part numbers: GGG-W-636 TY1CL1ST1 (General Services Administration Federal Supply Service), GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC), 2893A (Bonney Forge Corp).

What NSN replaces 5120-00-277-3366?

There are 11 known substitutes for 5120-00-277-3366: 5120-00-224-3149, 5120-00-224-3150, 5120-00-277-1439 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-W-636 TY1CL1ST1?

Key specifications for GGG-W-636 TY1CL1ST1: Large End Head Thickness: 0.531 INCHES MAXIMUM IN; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND 1 STYLE; Wrenching Surface Size: 0.781 INCHES NOMINAL SECOND END IN; Wrenching End Offset Angle: 15.0 DEGREES NOMINAL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-277-3366 still in active supply?

NSN 5120-00-277-3366 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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