PartsTable
Technical Data Sheet
Download PDF

FF644 — STONE,SHARPENING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

FF644: STONE,SHARPENING.

The STONE,SHARPENING is a the manufacturer industrial component. Key specifications include stone_style: SHARPENING, overall_length: 4.000 INCHES NOMINAL IN, overall_diameter: 0.500 INCHES NOMINAL IN, small_end_diameter: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5345-00-253-4401, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
FF644
NSN: 5345-00-253-4401
FSC: 5345 — Disks and Stones, Abrasive
CAGE: 44197 — SAINT-GOBAIN ABRASIVES INC (USA)
SPECIFICATIONS
stone_styleSHARPENING
overall_length4.000 INCHES NOMINAL IN
overall_diameter0.500 INCHES NOMINAL IN
small_end_diameter0.250 INCHES NOMINAL IN
NSN5345-00-253-4401
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available STONE,SHARPENING TITLE COMPONENT PN FF644 MFR STONE,SHARPENING
KEY FEATURES
•
OVERALL DIAMETER: 0.500 INCHES NOMINAL IN
•
SMALL END DIAMETER: 0.250 INCHES NOMINAL IN
•
STONE STYLE: SHARPENING
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.500 INCHES NOMINAL IN
OVERALL LENGTH4.000 INCHES NOMINAL IN
SMALL END DIAMETER0.250 INCHES NOMINAL IN
STONE STYLESHARPENING
SUBSTITUTES & CROSS-REFERENCES 3
SS-S-736Reference document
Same NSN cross-reference
Reference document — Secondary reference
334AReference document
Same NSN cross-reference
Reference document — Secondary reference
SS-S-736 TY3CLA1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy FF644?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is FF644?
FF644 is a STONE,SHARPENING.
What parts can replace FF644?
There are 3 known substitutes for FF644: SS-S-736, 334A, SS-S-736 TY3CLA1. Substitute compatibility should be verified for your specific system.
What is the NSN for FF644?
FF644 is cataloged in the U.S. Government catalog under NSN 5345-00-253-4401. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — FF644

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.