PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6427Toolmaker's Flat

Tru-Stone Technologies · NSN 5220-01-564-8609 · FSC 5220 · No Item Name Available
Verified by PartsTable
NSN 5220-01-564-8609 — this item is cataloged by the U.S. Government under National Stock Number 5220-01-564-8609. Primary manufacturer part number: 6427.
Features
  • Toolmaker's Flat — FSC 5220
  • Design Type: WORKING SINGLE
  • Material: GRANITE
  • Case: NOT PROVIDED
  • Diameter: 6.000 INCHES NOMINAL IN
  • Thickness: 2.000 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Tru-Stone Technologies
Applications
  • Applications requiring Granite construction
General Description

The Toolmaker's Flat, cataloged under National Stock Number 5220-01-564-8609, is classified within Federal Supply Class 5220 (No Item Name Available) of the Measuring Tools group. The primary manufacturer of record is Tru-Stone Technologies. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5220-01-564-8609
Primary Part Number6427
Item NameToolmaker's Flat
FSC / FSG5220 / 52 — No Item Name Available
ManufacturerTru-Stone Technologies
StatusACTIVE
Design TypeWORKING SINGLE
MaterialGRANITE
CaseNOT PROVIDED
Diameter6.000 INCHES NOMINAL IN
Thickness2.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-620801-04451-00 INTERCHANGEABLE
Ball,bearing
Marison Industries Inc Barco Div
2520-00-358-44696427 INTERCHANGEABLE
Breather
Vortox Company
5325-00-470-35396427 INTERCHANGEABLE
Ring,retaining
893 Mfg, Llc
5365-01-163-0641 INTERCHANGEABLE
Spacer,sleeve
5210-01-435-68836427 INTERCHANGEABLE
Caliper,dial
Central Tools, Inc.
1630-01-448-274864-27 INTERCHANGEABLE
Plate,backing,brake
Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems
2590-01-460-6995 INTERCHANGEABLE
Flagstaff Assy,vehi
4720-01-625-83586427 INTERCHANGEABLE
Hose Assembly,nonmetallic
Draf Industries, Inc
Cross-Reference Index
Part NumberManufacturer
6427 PRIMARY Tru-Stone Technologies (USA)
Related Parts
3110-00-100-6208INTERCHANGEABLE
BALL,BEARING
01-04451-00
2520-00-358-4469INTERCHANGEABLE
BREATHER
6427
5325-00-470-3539INTERCHANGEABLE
RING,RETAINING
6427
5365-01-163-0641INTERCHANGEABLE
SPACER,SLEEVE
5210-01-435-6883INTERCHANGEABLE
CALIPER,DIAL
6427
1630-01-448-2748INTERCHANGEABLE
PLATE,BACKING,BRAKE
64-27
2590-01-460-6995INTERCHANGEABLE
FLAGSTAFF ASSY,VEHI
4720-01-625-8358INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
6427

Frequently Asked Questions

What is NSN 5220-01-564-8609?

NSN 5220-01-564-8609 is a Toolmaker's Flat, manufactured by Tru-Stone Technologies, classified under FSC 5220 (No Item Name Available). Status: active.

What are the part numbers for NSN 5220-01-564-8609?

NSN 5220-01-564-8609 has 1 cross-referenced part number: 6427 (Tru-Stone Technologies).

What NSN replaces 5220-01-564-8609?

There are 8 known substitutes for 5220-01-564-8609: 3110-00-100-6208, 2520-00-358-4469, 5325-00-470-3539 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6427?

Key specifications for 6427: Design Type: WORKING SINGLE; Material: GRANITE; Case: NOT PROVIDED; End Item Identification: 4940-01-551-2884, MAINTENANCE FACILITY, TRANSPORTABLE. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com