PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SS309Stone,sharpening

Hu-Friedy Mfg. Co., Llc · NSN 6520-01-266-7397 · FSC 6520 · No Item Name Available
Verified by PartsTable
NSN 6520-01-266-7397 — this item is cataloged by the U.S. Government under National Stock Number 6520-01-266-7397. Primary manufacturer part number: SS309.
Features
  • Stone,sharpening — FSC 6520
  • Overall Thickness: 0.250 INCHES NOMINAL IN
  • Smallest End Width: 0.250 INCHES NOMINAL IN
  • Stone Style: SHARPENING
  • Thin End Thickness: 0.125 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Hu-Friedy Mfg. Co., Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Stone,sharpening, cataloged under National Stock Number 6520-01-266-7397, is classified within Federal Supply Class 6520 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Hu-Friedy Mfg. Co., Llc. Government technical data includes 4 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6520-01-266-7397
Primary Part NumberSS309
Item NameStone,sharpening
FSC / FSG6520 / 65 — No Item Name Available
ManufacturerHu-Friedy Mfg. Co., Llc
StatusCANCELLED
Overall Thickness0.250 INCHES NOMINAL IN
Smallest End Width0.250 INCHES NOMINAL IN
Stone StyleSHARPENING
Thin End Thickness0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
6515-01-270-6675 INTERCHANGEABLE
Mouthpiece,resuscitator
8440-01-611-8142SS309 INTERCHANGEABLE
Gloves,men's
Teledyne Instruments, Inc. Dba Teledyne Seabotix Div Teledyne Seabotix
Cross-Reference Index
Part NumberManufacturer
SS309 PRIMARY Hu-Friedy Mfg. Co., Llc (USA)
87-7-20-31 Air Force Medical Logistics Office (USA)
Related Parts
6515-01-270-6675INTERCHANGEABLE
MOUTHPIECE,RESUSCITATOR
8440-01-611-8142INTERCHANGEABLE
GLOVES,MEN'S
SS309

Frequently Asked Questions

What is NSN 6520-01-266-7397?

NSN 6520-01-266-7397 is a Stone,sharpening, manufactured by Hu-Friedy Mfg. Co., Llc, classified under FSC 6520 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6520-01-266-7397?

NSN 6520-01-266-7397 has 2 cross-referenced part numbers: SS309 (Hu-Friedy Mfg. Co., Llc), 87-7-20-31 (Air Force Medical Logistics Office).

What NSN replaces 6520-01-266-7397?

There are 2 known substitutes for 6520-01-266-7397: 6515-01-270-6675, 8440-01-611-8142. Verify interchangeability with system specifications before substitution.

What are the specifications of SS309?

Key specifications for SS309: Overall Length: 4.000 INCHES NOMINAL IN; Overall Thickness: 0.250 INCHES NOMINAL IN; Smallest End Width: 0.250 INCHES NOMINAL IN; Stone Style: SHARPENING. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6520-01-266-7397 still in active supply?

NSN 6520-01-266-7397 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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