PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55-6Square,try

L.s. Starrett Company (the) Div Tool Division · NSN 5210-01-368-4506 · FSC 5210 · No Item Name Available
Verified by PartsTable
NSN 5210-01-368-4506 — this item is cataloged by the U.S. Government under National Stock Number 5210-01-368-4506. Primary manufacturer part number: 55-6.
Features
  • Square,try — FSC 5210
  • Beveled Blade Edge: INCLUDED
  • Beam Hardness Designation: HARDENED
  • Beam Detachability: NOT DETACHABLE
  • Blade Face to Beam Length: 6.000 INCHES NOMINAL IN
  • Style Designator: BLOCK
  • Beam Length: 4.312 INCHES NOMINAL IN
  • Material: STEEL BEAM
Applications
  • Applications requiring Steel Beam construction
General Description

The Square,try, cataloged under National Stock Number 5210-01-368-4506, is classified within Federal Supply Class 5210 (No Item Name Available) of the Measuring Tools group. The primary manufacturer of record is L.s. Starrett Company (the) Div Tool Division. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5210-01-368-4506
Primary Part Number55-6
Item NameSquare,try
FSC / FSG5210 / 52 — No Item Name Available
ManufacturerL.s. Starrett Company (the) Div Tool Division
StatusACTIVE
Beveled Blade EdgeINCLUDED
Beam Hardness DesignationHARDENED
Beam DetachabilityNOT DETACHABLE
Blade Face to Beam Length6.000 INCHES NOMINAL IN
Style DesignatorBLOCK
Beam Length4.312 INCHES NOMINAL IN
MaterialSTEEL BEAM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-278-4357SAE J512 4-2 060102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
4820-01-013-040755-3100 INTERCHANGEABLE
Valve,check
Aerocontrolex Group, Inc. Dba Aero Fluid Products
7025-01-454-3551 INTERCHANGEABLE
Disk Drive Unit
6530-01-493-8936ALM50283 INTERCHANGEABLE
Light,surgical,ceiling
Getinge Usa Inc
2640-01-562-6033TV-542B INTERCHANGEABLE
Valve,pneumatic Tire
Haltec Corp
Cross-Reference Index
Part NumberManufacturer
55-6 PRIMARY L.s. Starrett Company (the) Div Tool Division (USA)
50283 L.s. Starrett Company (the) Div Tool Division (USA)
55-6 STARRETT Kipper Tool Company Dba Kipper Management Inc (USA)
Related Parts
4730-00-278-4357INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 4-2 060102BA
4820-01-013-0407INTERCHANGEABLE
VALVE,CHECK
55-3100
7025-01-454-3551INTERCHANGEABLE
DISK DRIVE UNIT
6530-01-493-8936INTERCHANGEABLE
LIGHT,SURGICAL,CEILING
ALM50283
2640-01-562-6033INTERCHANGEABLE
VALVE,PNEUMATIC TIRE
TV-542B

Frequently Asked Questions

What is NSN 5210-01-368-4506?

NSN 5210-01-368-4506 is a Square,try, manufactured by L.s. Starrett Company (the) Div Tool Division, classified under FSC 5210 (No Item Name Available). Status: active.

What are the part numbers for NSN 5210-01-368-4506?

NSN 5210-01-368-4506 has 3 cross-referenced part numbers: 55-6 (L.s. Starrett Company (the) Div Tool Division), 50283 (L.s. Starrett Company (the) Div Tool Division), 55-6 STARRETT (Kipper Tool Company Dba Kipper Management Inc).

What NSN replaces 5210-01-368-4506?

There are 5 known substitutes for 5210-01-368-4506: 4730-00-278-4357, 4820-01-013-0407, 7025-01-454-3551 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55-6?

Key specifications for 55-6: Beveled Blade Edge: INCLUDED; Beam Hardness Designation: HARDENED; Beam Detachability: NOT DETACHABLE; Blade Face to Beam Length: 6.000 INCHES NOMINAL IN. 7 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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