PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-3179Square,combination

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5210-00-078-8947 · FSC 5210 · No Item Name Available
Verified by PartsTable
NSN 5210-00-078-8947 — this item is cataloged by the U.S. Government under National Stock Number 5210-00-078-8947. Primary manufacturer part number: A-A-3179.
Features
  • Square,combination — FSC 5210
  • Material: IRON CAST SQUARE/MITER HEAD
  • Square/miter Head Level Quantity: 1
  • Square/miter Head Scriber: INCLUDED
  • Protractor Head: NOT INCLUDED
  • Blade Edge Smallest Graduation Unit: 1/100 INCH AND 1/64 INCH AND 1/50 INCH AND 1/32 INCH IN
  • Center Head: INCLUDED
  • Blade Type: GROOVED
Applications
  • Applications requiring Iron Cast Square/miter Head construction
General Description

The Square,combination, cataloged under National Stock Number 5210-00-078-8947, is classified within Federal Supply Class 5210 (No Item Name Available) of the Measuring Tools group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 8 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5210-00-078-8947
Primary Part NumberA-A-3179
Item NameSquare,combination
FSC / FSG5210 / 52 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
MaterialIRON CAST SQUARE/MITER HEAD
Square/miter Head Level Quantity1
Square/miter Head ScriberINCLUDED
Protractor HeadNOT INCLUDED
Blade Edge Smallest Graduation Unit1/100 INCH AND 1/64 INCH AND 1/50 INCH AND 1/32 INCH IN
Center HeadINCLUDED
Blade TypeGROOVED
Blade Length12.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5210-00-078-8944 INTERCHANGEABLE
Square,combination
5210-00-078-8946 INTERCHANGEABLE
Square,combination
5210-00-078-8948 INTERCHANGEABLE
Square,combination
5210-00-078-8949 INTERCHANGEABLE
Square,combination
5210-00-078-8950 INTERCHANGEABLE
Square,combination
5210-00-224-9937 INTERCHANGEABLE
Square,combination
5210-00-273-1937 INTERCHANGEABLE
Head,protractor,combination Squa
5210-00-450-6920599-425-1204-1 INTERCHANGEABLE
Square,combination
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5210-00-540-3513 INTERCHANGEABLE
Square,combination
5210-01-657-494950057 INTERCHANGEABLE
Square,combination
L.s. Starrett Company (the) Div Tool Division
Cross-Reference Index
Part NumberManufacturer
A-A-3179 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
GGG-S-656 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GGG-S-656 TY6CLASTB General Services Administration Federal Supply Service (USA)
Related Parts
5210-00-078-8944INTERCHANGEABLE
SQUARE,COMBINATION
5210-00-078-8946INTERCHANGEABLE
SQUARE,COMBINATION
5210-00-078-8948INTERCHANGEABLE
SQUARE,COMBINATION
5210-00-078-8949INTERCHANGEABLE
SQUARE,COMBINATION
5210-00-078-8950INTERCHANGEABLE
SQUARE,COMBINATION
5210-00-224-9937INTERCHANGEABLE
SQUARE,COMBINATION
5210-00-273-1937INTERCHANGEABLE
HEAD,PROTRACTOR,COMBINATION SQUA
5210-00-450-6920INTERCHANGEABLE
SQUARE,COMBINATION
599-425-1204-1
5210-00-540-3513INTERCHANGEABLE
SQUARE,COMBINATION
5210-01-657-4949INTERCHANGEABLE
SQUARE,COMBINATION
50057

Frequently Asked Questions

What is NSN 5210-00-078-8947?

NSN 5210-00-078-8947 is a Square,combination, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 5210 (No Item Name Available). Status: active.

What are the part numbers for NSN 5210-00-078-8947?

NSN 5210-00-078-8947 has 3 cross-referenced part numbers: A-A-3179 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), GGG-S-656 (Federal Specifications Promulgated by General Services Administration Washington DC), GGG-S-656 TY6CLASTB (General Services Administration Federal Supply Service).

What NSN replaces 5210-00-078-8947?

There are 10 known substitutes for 5210-00-078-8947: 5210-00-078-8944, 5210-00-078-8946, 5210-00-078-8948 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-3179?

Key specifications for A-A-3179: Material: IRON CAST SQUARE/MITER HEAD; Square/miter Head Level Quantity: 1; Square/miter Head Scriber: INCLUDED; Protractor Head: NOT INCLUDED. 8 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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