PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GGG-S-656Square,try

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5210-01-028-7027 · FSC 5210 · No Item Name Available
Verified by PartsTable
NSN 5210-01-028-7027 — this item is cataloged by the U.S. Government under National Stock Number 5210-01-028-7027. Primary manufacturer part number: GGG-S-656.
Features
  • Square,try — FSC 5210
  • Beam Detachability: NOT DETACHABLE
  • Beam Hardness Designation: HARDENED
  • Blade Hardness Designation: HARDENED
  • Material: STEEL BEAM
  • Beam Length: 4.312 INCHES NOMINAL IN
  • Beveled Blade Edge: NOT INCLUDED
  • Blade Face to Beam Length: 6.000 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Beam construction
General Description

The Square,try, cataloged under National Stock Number 5210-01-028-7027, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5210-01-028-7027
Primary Part NumberGGG-S-656
Item NameSquare,try
FSC / FSG5210 / 52 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Beam DetachabilityNOT DETACHABLE
Beam Hardness DesignationHARDENED
Blade Hardness DesignationHARDENED
MaterialSTEEL BEAM
Beam Length4.312 INCHES NOMINAL IN
Beveled Blade EdgeNOT INCLUDED
Blade Face to Beam Length6.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6730-00-089-009150134 INTERCHANGEABLE
Rail,straight Film
Magnasync/moviola Corporation Dba Magnasync/moviola Corp
9905-00-189-854350-134 INTERCHANGEABLE
Plate,instruction
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
5210-00-190-3339PD5210-00-190-3339 INTERCHANGEABLE
Square,try
General Services Administration Federal Supply Service
5210-00-243-2940599-540-12-2 INTERCHANGEABLE
Square,try
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5210-00-255-7573599-540-18-2 INTERCHANGEABLE
Square,try
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
6350-00-270-103850134 INTERCHANGEABLE
Bell,electrical
Telephone Company of America Incorporated
5210-00-277-7440PD5210-00-277-7440 INTERCHANGEABLE
Square,try
General Services Administration Federal Supply Service
3040-00-356-3268SM-B-148327 INTERCHANGEABLE
Plate,retaining,shaft
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
1680-00-630-742450134 INTERCHANGEABLE
Parts Kit,actuator,
Meggitt North Hollywood Inc
2930-00-844-86098134 INTERCHANGEABLE
Water Pump
Elgin Industries Inc. Dba
Cross-Reference Index
Part NumberManufacturer
GGG-S-656 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
20-6 L.s. Starrett Company (the) Div Tool Division (USA)
GGG-S-656 TY9 General Services Administration Federal Supply Service (USA)
50134 L.s. Starrett Company (the) Div Tool Division (USA)
Related Parts
6730-00-089-0091INTERCHANGEABLE
RAIL,STRAIGHT FILM
50134
9905-00-189-8543INTERCHANGEABLE
PLATE,INSTRUCTION
50-134
5210-00-190-3339INTERCHANGEABLE
SQUARE,TRY
PD5210-00-190-3339
5210-00-243-2940INTERCHANGEABLE
SQUARE,TRY
599-540-12-2
5210-00-255-7573INTERCHANGEABLE
SQUARE,TRY
599-540-18-2
6350-00-270-1038INTERCHANGEABLE
BELL,ELECTRICAL
50134
5210-00-277-7440INTERCHANGEABLE
SQUARE,TRY
PD5210-00-277-7440
3040-00-356-3268INTERCHANGEABLE
PLATE,RETAINING,SHAFT
SM-B-148327
1680-00-630-7424INTERCHANGEABLE
PARTS KIT,ACTUATOR,
50134
2930-00-844-8609INTERCHANGEABLE
WATER PUMP
8134
5307-00-953-7644INTERCHANGEABLE
STUD,CONTINUOUS THREAD
50134
1005-01-621-6030INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
50134

Frequently Asked Questions

What is NSN 5210-01-028-7027?

NSN 5210-01-028-7027 is a Square,try, 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 5210-01-028-7027?

NSN 5210-01-028-7027 has 4 cross-referenced part numbers: GGG-S-656 (Federal Specifications Promulgated by General Services Administration Washington DC), 20-6 (L.s. Starrett Company (the) Div Tool Division), GGG-S-656 TY9 (General Services Administration Federal Supply Service), 50134 (L.s. Starrett Company (the) Div Tool Division).

What NSN replaces 5210-01-028-7027?

There are 12 known substitutes for 5210-01-028-7027: 6730-00-089-0091, 9905-00-189-8543, 5210-00-190-3339 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GGG-S-656?

Key specifications for GGG-S-656: Beam Detachability: NOT DETACHABLE; Beam Hardness Designation: HARDENED; Blade Hardness Designation: HARDENED; Material: STEEL BEAM. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5210-01-028-7027 still in active supply?

NSN 5210-01-028-7027 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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