PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-S-656Square,combination

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5210-00-242-3943 · FSC 5210 · No Item Name Available
Verified by PartsTable
NSN 5210-00-242-3943 — this item is cataloged by the U.S. Government under National Stock Number 5210-00-242-3943. Primary manufacturer part number: GGG-S-656.
Features
  • Square,combination — FSC 5210
  • Protractor Head: NOT INCLUDED
  • Blade Edge Smallest Graduation Unit: 1/32 INCH AND 1/16 INCH AND 1/8 INCH IN
  • Center Head: NOT INCLUDED
  • Square/miter Head Scriber: INCLUDED
  • Square/miter Head Level Quantity: 2
  • Material: IRON CAST SQUARE/MITER HEAD
  • Nondefinitive Spec/std Data: 1 TYPE
Applications
  • Applications requiring Iron Cast Square/miter Head construction
General Description

The Square,combination, cataloged under National Stock Number 5210-00-242-3943, is classified within Federal Supply Class 5210 (No Item Name Available) of the Measuring 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5210-00-242-3943
Primary Part NumberGGG-S-656
Item NameSquare,combination
FSC / FSG5210 / 52 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Protractor HeadNOT INCLUDED
Blade Edge Smallest Graduation Unit1/32 INCH AND 1/16 INCH AND 1/8 INCH IN
Center HeadNOT INCLUDED
Square/miter Head ScriberINCLUDED
Square/miter Head Level Quantity2
MaterialIRON CAST SQUARE/MITER HEAD
Nondefinitive Spec/std Data1 TYPE
Blade Length12.000 INCHES NOMINAL IN
Blade TypeGROOVED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5210-00-241-3599 INTERCHANGEABLE
Square,combination
5210-00-273-1946 INTERCHANGEABLE
Square,try and Miter
Cross-Reference Index
Part NumberManufacturer
GGG-S-656 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GGG-S-656 TY1 General Services Administration Federal Supply Service (USA)
Related Parts
5210-00-241-3599INTERCHANGEABLE
SQUARE,COMBINATION
5210-00-273-1946INTERCHANGEABLE
SQUARE,TRY AND MITER

Frequently Asked Questions

What is NSN 5210-00-242-3943?

NSN 5210-00-242-3943 is a Square,combination, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5210 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5210-00-242-3943?

NSN 5210-00-242-3943 has 2 cross-referenced part numbers: GGG-S-656 (Federal Specifications Promulgated by General Services Administration Washington DC), GGG-S-656 TY1 (General Services Administration Federal Supply Service).

What NSN replaces 5210-00-242-3943?

There are 2 known substitutes for 5210-00-242-3943: 5210-00-241-3599, 5210-00-273-1946. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-S-656?

Key specifications for GGG-S-656: Protractor Head: NOT INCLUDED; Blade Edge Smallest Graduation Unit: 1/32 INCH AND 1/16 INCH AND 1/8 INCH IN; Center Head: NOT INCLUDED; Square/miter Head Scriber: INCLUDED. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5210-00-242-3943 still in active supply?

NSN 5210-00-242-3943 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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